bcm47xx: make it possible to build bcm47xx without ssb.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/watchdog/bcm47xx_wdt.c b/drivers/watchdog/bcm47xx_wdt.c
index c43406c..6b03702 100644
--- a/drivers/watchdog/bcm47xx_wdt.c
+++ b/drivers/watchdog/bcm47xx_wdt.c
@@ -55,17 +55,21 @@
 {
 	/* this is 2,5s on 100Mhz clock  and 2s on 133 Mhz */
 	switch (bcm47xx_bus_type) {
+#ifdef CONFIG_BCM47XX_SSB
 	case BCM47XX_BUS_TYPE_SSB:
 		ssb_watchdog_timer_set(&bcm47xx_bus.ssb, 0xfffffff);
 		break;
+#endif
 	}
 }
 
 static inline int bcm47xx_wdt_hw_stop(void)
 {
 	switch (bcm47xx_bus_type) {
+#ifdef CONFIG_BCM47XX_SSB
 	case BCM47XX_BUS_TYPE_SSB:
 		return ssb_watchdog_timer_set(&bcm47xx_bus.ssb, 0);
+#endif
 	}
 	return -EINVAL;
 }