board/solidrun/macchiatobin/genimage.cfg: beautify file

Beatify this genimage .cfg file to have consistency with all genimage .cfg
files in Buildroot.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

board/solidrun/macchiatobin/genimage.cfg

@@ -5,12 +5,12 @@ image sdcard.img {
 	partition uboot {
 		in-partition-table = "no"
 		image = "flash-image.bin"
-		offset = 0x200000
+		offset = 2M
 	}
 
 	partition rootfs {
 		partition-type = 0x83
-		offset = 0x2200000
+		offset = 34M
 		image = "rootfs.ext4"
 	}
 }