x86_64: use default block2mtd timeout of 5s

If the underlying block device is a USB device it might require some
time to settle, observed when booting a squashfs image from sd card
on an Alix APU board.

Signed-off-by: Jo-Philipp Wich <[email protected]>

SVN-Revision: 42966

target/linux/x86_64/image/Makefile

@@ -55,15 +55,15 @@ ifneq ($(CONFIG_GRUB_IMAGES),)
   endef
 
   define Image/cmdline/jffs2-64k
-    block2mtd.block2mtd=$(ROOTPART),65536,rootfs root=/dev/mtdblock0 rootfstype=jffs2 rootwait
+    block2mtd.block2mtd=$(ROOTPART),65536,rootfs,5 root=/dev/mtdblock0 rootfstype=jffs2 rootwait
   endef
 
   define Image/cmdline/jffs2-128k
-    block2mtd.block2mtd=$(ROOTPART),131072,rootfs root=/dev/mtdblock0 rootfstype=jffs2 rootwait
+    block2mtd.block2mtd=$(ROOTPART),131072,rootfs,5 root=/dev/mtdblock0 rootfstype=jffs2 rootwait
   endef
 
   define Image/cmdline/squashfs
-    block2mtd.block2mtd=$(ROOTPART),65536,rootfs root=/dev/mtdblock0 rootfstype=squashfs rootwait
+    block2mtd.block2mtd=$(ROOTPART),65536,rootfs,5 root=/dev/mtdblock0 rootfstype=squashfs rootwait
   endef
 
   define Image/Build/grub2