tifm: add missing include for DMA_32BIT_MASK

sparc64:

drivers/misc/tifm_7xx1.c: In function `tifm_7xx1_probe':
drivers/misc/tifm_7xx1.c:294: error: `DMA_32BIT_MASK' undeclared

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
1 file changed