bcma: add mips driver

This adds a mips driver to bcma. This is only found on embedded
devices. For now the driver just initializes the irqs used on this
system.

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/Kconfig b/drivers/bcma/Kconfig
index 4a062f8..c1172da 100644
--- a/drivers/bcma/Kconfig
+++ b/drivers/bcma/Kconfig
@@ -35,7 +35,16 @@
 
 config BCMA_HOST_SOC
 	bool
+	depends on BCMA_DRIVER_MIPS
+
+config BCMA_DRIVER_MIPS
+	bool "BCMA Broadcom MIPS core driver"
 	depends on BCMA && MIPS
+	help
+	  Driver for the Broadcom MIPS core attached to Broadcom specific
+	  Advanced Microcontroller Bus.
+
+	  If unsure, say N
 
 config BCMA_DEBUG
 	bool "BCMA debugging"