mvebu: shrink amount of packages and reorganize them

Since most of devices using SD card image to boot, use ext4 as boot
files system we can drop fat fs related packages. Also move packages
which are added repeatedly across subtargets to their default packages,
with droping the ones that are enabled in target kernel configugation.

Signed-off-by: Tomasz Maciej Nowak <tomek_n@o2.pl>

target/linux/mvebu/base-files/lib/preinit/79_move_config

@@ -3,12 +3,18 @@
 
 BOOTPART=/dev/mmcblk0p1
 
+. /lib/functions.sh
+
 move_config() {
 	if [ -b $BOOTPART ]; then
-		insmod nls_cp437
-		insmod nls_iso8859-1
-		insmod fat
-		insmod vfat
+		case $(board_name) in
+			turris-omnia)
+			insmod nls_cp437
+			insmod nls_iso8859-1
+			insmod fat
+			insmod vfat
+			;;
+		esac
 		mkdir -p /boot
 		mount -o rw,noatime $BOOTPART /boot
 		[ -f /boot/sysupgrade.tgz ] && mv -f /boot/sysupgrade.tgz /