ssb: cc: use correct min_msk for 0x4312

Default min_msk on my 0x4312 is 0x80000CBB, not 0xCBB. Now we follow
specs and wl (noticed in MMIO dumps).

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/ssb/driver_chipcommon_pmu.c b/drivers/ssb/driver_chipcommon_pmu.c
index 5732bb2..305ade7 100644
--- a/drivers/ssb/driver_chipcommon_pmu.c
+++ b/drivers/ssb/driver_chipcommon_pmu.c
@@ -423,6 +423,8 @@
 
 	switch (bus->chip_id) {
 	case 0x4312:
+		 min_msk = 0xCBB;
+		 break;
 	case 0x4322:
 		/* We keep the default settings:
 		 * min_msk = 0xCBB