[PATCH] ppc32: Fix CONFIG_8260 and CONFIG_BLK_DEV_INITRD

<alebas@televes.com> found that CONFIG_8260 and CONFIG_BLK_DEV_INITRD was
broken as arch/ppc/syslib/m8260_setup.c was missing <linux/root_dev.h>.
Signed-off-by: Tom Rini <trini@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/ppc/syslib/m8260_setup.c

@@ -16,6 +16,7 @@
 #include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/initrd.h>
+#include <linux/root_dev.h>
 #include <linux/seq_file.h>
 #include <linux/irq.h>