x86: mount writable bootfs

Mount boot file system with rw option to allow installation of packages
which install files to /boot directory.

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

target/linux/x86/base-files/lib/preinit/79_move_config

@@ -8,16 +8,12 @@ move_config() {
 
 	if export_bootdevice && export_partdevice partdev 1; then
 		mkdir -p /boot
-		if mount -t ext4 -o ro,noatime "/dev/$partdev" /boot; then
-			if [ -f /boot/sysupgrade.tgz ]; then
-				mount /boot -o remount,rw,noatime
-				mv -f /boot/sysupgrade.tgz /
-				mount /boot -o remount,ro,noatime
-			fi
-			mount --bind /boot/boot /boot
+		mount -t ext4 -o rw,noatime "/dev/$partdev" /boot
+		mount --bind /boot/boot /boot
+		if [ -f /boot/sysupgrade.tgz ]; then
+			mv -f /boot/sysupgrade.tgz /
 		fi
 	fi
 }
 
 boot_hook_add preinit_mount_root move_config
-