ide: missing break statement in set_timings_mdma()

There was clearly supposed to be a break statement here.  Currently we
use the k2 ata timings instead of sh ata ones we intended.  Probably no
one has this hardware anymore so it likely doesn't make a difference
beyond the static checker warning.
Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com>
Acked-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/ide/pmac.c

@@ -707,6 +707,7 @@ set_timings_mdma(ide_drive_t *drive, int intf_type, u32 *timings, u32 *timings2,
 		*timings = ((*timings) & ~TR_133_PIOREG_MDMA_MASK) | tr;
 		*timings2 = (*timings2) & ~TR_133_UDMAREG_UDMA_EN;
 		}
+		break;
 	case controller_un_ata6:
 	case controller_k2_ata6: {
 		/* 100Mhz cell */