bcma: add serial console support

This adds support for serial console to bcma, when operating on an SoC.

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/bcma/driver_mips.c b/drivers/bcma/driver_mips.c
index 4b60c9f..b17233c 100644
--- a/drivers/bcma/driver_mips.c
+++ b/drivers/bcma/driver_mips.c
@@ -238,6 +238,7 @@
 	if (mcore->setup_done)
 		return;
 
+	bcma_chipco_serial_init(&bus->drv_cc);
 	bcma_core_mips_flash_detect(mcore);
 	mcore->setup_done = true;
 }