configs/olimex_a33_olinuxino: bump Linux to 6.18.8 and U-Boot to 2026.01

The patch:
* bumps Linux kernel to version 6.18.8
* bumps U-Boot to version 2026.01
* forces check hashes
* switches to extlinux

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
[Julien: change linux.hash comment to use hash from upstream]
Signed-off-by: Julien Olivain <ju.o@free.fr>

.checkpackageignore

@@ -32,7 +32,6 @@ board/octavo/osd32mp1-brk/patches/uboot/0001-Add-OSD32MP1-BRK-device-tree-suppor
 board/octavo/osd32mp1-brk/patches/uboot/0002-Add-OSD32MP1-BRK-build-config.patch lib_patch.NumberedSubject lib_patch.Upstream
 board/octavo/osd32mp1-red/patches/uboot/0001-Add-OSD32MP1-RED-Device-Tree-support.patch lib_patch.NumberedSubject lib_patch.Upstream
 board/octavo/osd32mp1-red/patches/uboot/0002-configs-stm32mp15_trusted_defconfig-disable-environm.patch lib_patch.NumberedSubject lib_patch.Upstream
-board/olimex/a33_olinuxino/post-build.sh Shellcheck
 board/olpc/post-build.sh Shellcheck
 board/orangepi/common/post-build.sh Shellcheck
 board/orangepi/orangepi-zero/patches/linux/0001-ARM-dts-orange-pi-zero-interrupt-triggering-xr819.patch lib_patch.Upstream
@@ -132,7 +131,6 @@ configs/nitrogen8mm_defconfig lib_defconfig.ForceCheckHash
 configs/nitrogen8mn_defconfig lib_defconfig.ForceCheckHash
 configs/nitrogen8mp_defconfig lib_defconfig.ForceCheckHash
 configs/odroidc2_defconfig lib_defconfig.ForceCheckHash
-configs/olimex_a33_olinuxino_defconfig lib_defconfig.ForceCheckHash
 configs/olimex_a64_olinuxino_defconfig lib_defconfig.ForceCheckHash
 configs/olpc_xo175_defconfig lib_defconfig.ForceCheckHash
 configs/olpc_xo1_defconfig lib_defconfig.ForceCheckHash

board/olimex/a33_olinuxino/boot.cmd

@@ -1,5 +0,0 @@
-setenv bootargs console=ttyS0,115200 root=/dev/mmcblk0p1 rootwait panic=10 ${extra}
-ext4load mmc 0 0x49000000 /boot/${fdtfile}
-ext4load mmc 0 0x46000000 /boot/zImage
-env set fdt_high ffffffff
-bootz 0x46000000 - 0x49000000

board/olimex/a33_olinuxino/patches/linux-headers/linux-headers.hash

@@ -0,0 +1 @@
+../linux/linux.hash

board/olimex/a33_olinuxino/patches/linux/linux.hash

@@ -0,0 +1,2 @@
+# From https://www.kernel.org/pub/linux/kernel/v6.x/sha256sums.asc
+sha256  37f0c5d5c242c1d604e87d48f08795e861a5a85f725b4ca11d0a538f12ff8cff  linux-6.18.8.tar.xz

board/olimex/a33_olinuxino/patches/uboot/uboot.hash

@@ -0,0 +1,2 @@
+# Locally calculated
+sha256  b60d5865cefdbc75da8da4156c56c458e00de75a49b80c1a2e58a96e30ad0d54  u-boot-2026.01.tar.bz2

board/olimex/a33_olinuxino/post-build.sh

@@ -1,2 +0,0 @@
-#!/bin/sh
-cp $BINARIES_DIR/boot.scr $TARGET_DIR/boot/boot.scr

board/olimex/a33_olinuxino/rootfs_overlay/boot/extlinux/extlinux.conf

@@ -0,0 +1,4 @@
+label A13-Olinuxino
+    kernel /boot/zImage
+    fdtdir /boot
+    append console=ttyS0,115200 root=/dev/mmcblk0p1 rootwait panic=10 ${extra}

configs/olimex_a33_olinuxino_defconfig

@@ -1,34 +1,34 @@
 BR2_arm=y
 BR2_cortex_a7=y
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_1=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_18=y
+BR2_GLOBAL_PATCH_DIR="board/olimex/a33_olinuxino/patches"
+BR2_DOWNLOAD_FORCE_CHECK_HASHES=y
 BR2_TARGET_GENERIC_HOSTNAME="A33-olinuxino"
 BR2_TARGET_GENERIC_ISSUE="Welcome to A33 OLinuXino!"
 BR2_TARGET_GENERIC_GETTY_PORT="ttyS0"
-BR2_ROOTFS_POST_BUILD_SCRIPT="board/olimex/a33_olinuxino/post-build.sh"
+BR2_ROOTFS_OVERLAY="board/olimex/a33_olinuxino/rootfs_overlay"
 BR2_ROOTFS_POST_IMAGE_SCRIPT="support/scripts/genimage.sh"
 BR2_ROOTFS_POST_SCRIPT_ARGS="-c board/olimex/a33_olinuxino/genimage.cfg"
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
-BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="6.1.9"
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="6.18.8"
 BR2_LINUX_KERNEL_DEFCONFIG="sunxi"
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
-BR2_LINUX_KERNEL_INTREE_DTS_NAME="sun8i-a33-olinuxino"
+BR2_LINUX_KERNEL_INTREE_DTS_NAME="allwinner/sun8i-a33-olinuxino"
 BR2_LINUX_KERNEL_INSTALL_TARGET=y
 BR2_TARGET_ROOTFS_EXT2=y
 BR2_TARGET_ROOTFS_EXT2_4=y
 BR2_TARGET_UBOOT=y
 BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
 BR2_TARGET_UBOOT_CUSTOM_VERSION=y
-BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2023.01"
+BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2026.01"
 BR2_TARGET_UBOOT_BOARD_DEFCONFIG="A33-OLinuXino"
 BR2_TARGET_UBOOT_NEEDS_DTC=y
 BR2_TARGET_UBOOT_NEEDS_PYLIBFDT=y
 BR2_TARGET_UBOOT_NEEDS_OPENSSL=y
+BR2_TARGET_UBOOT_NEEDS_GNUTLS=y
 BR2_TARGET_UBOOT_SPL=y
 BR2_TARGET_UBOOT_SPL_NAME="u-boot-sunxi-with-spl.bin"
 BR2_PACKAGE_HOST_DOSFSTOOLS=y
 BR2_PACKAGE_HOST_GENIMAGE=y
 BR2_PACKAGE_HOST_MTOOLS=y
-BR2_PACKAGE_HOST_UBOOT_TOOLS=y
-BR2_PACKAGE_HOST_UBOOT_TOOLS_BOOT_SCRIPT=y
-BR2_PACKAGE_HOST_UBOOT_TOOLS_BOOT_SCRIPT_SOURCE="board/olimex/a33_olinuxino/boot.cmd"