media: omap3isp: remove cacheflush.h

After mm.h was removed from the asm-generic version of cacheflush.h,
s390 allyesconfig shows several warnings of the following nature:

  In file included from arch/s390/include/generated/asm/cacheflush.h:1,
                   from drivers/media/platform/omap3isp/isp.c:42:
  include/asm-generic/cacheflush.h:16:42: warning: 'struct mm_struct' declared inside parameter list will not be visible outside of this definition or declaration

As Geert and Laurent point out, this driver does not need this header in
the two files that include it.  Remove it so there are no warnings.

Link: http://lkml.kernel.org/r/[email protected]
Fixes: e0cf615 ("asm-generic: don't include <linux/mm.h> in cacheflush.h")
Signed-off-by: Nathan Chancellor <[email protected]>
Suggested-by: Geert Uytterhoeven <[email protected]>
Suggested-by: Laurent Pinchart <[email protected]>
Reviewed-by: Laurent Pinchart <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: Mauro Carvalho Chehab <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

drivers/media/platform/omap3isp/isp.c

@@ -39,8 +39,6 @@
  *	Troy Laramy <[email protected]>
  */
 
-#include <asm/cacheflush.h>
-
 #include <linux/clk.h>
 #include <linux/clkdev.h>
 #include <linux/delay.h>

drivers/media/platform/omap3isp/ispvideo.c

@@ -18,7 +18,6 @@
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
-#include <asm/cacheflush.h>
 
 #include <media/v4l2-dev.h>
 #include <media/v4l2-ioctl.h>