FRV: Don't attempt to #include <linux/blk.h> as it doesn't exist

Stop the FRV arch from attempting to #include <linux/blk.h> as it doesn't
exist.

Reported-by: Robert P. J. Day <[e-mail]>
Signed-off-by: David Howells <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

arch/frv/kernel/setup.c

···
 #include <asm/io.h>
 
 #ifdef CONFIG_BLK_DEV_INITRD
-#include <linux/blk.h>
 #include <asm/pgtable.h>
 #endif