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: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/ide/pmac.c b/drivers/ide/pmac.c
index 7f0434f..0c5d3a9 100644
--- a/drivers/ide/pmac.c
+++ b/drivers/ide/pmac.c
@@ -707,6 +707,7 @@
 		*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 */