rt2x00: Add rt2x00soc bus module

Add new library module for SoC drivers.
This is needed to fully support the platform
driver part of rt2800pci.

Based on original patch from Felix.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/rt2x00/Makefile b/drivers/net/wireless/rt2x00/Makefile
index 13043ea..5b1ee4f6 100644
--- a/drivers/net/wireless/rt2x00/Makefile
+++ b/drivers/net/wireless/rt2x00/Makefile
@@ -11,6 +11,7 @@
 
 obj-$(CONFIG_RT2X00_LIB)		+= rt2x00lib.o
 obj-$(CONFIG_RT2X00_LIB_PCI)		+= rt2x00pci.o
+obj-$(CONFIG_RT2X00_LIB_SOC)		+= rt2x00soc.o
 obj-$(CONFIG_RT2X00_LIB_USB)		+= rt2x00usb.o
 obj-$(CONFIG_RT2400PCI)			+= rt2400pci.o
 obj-$(CONFIG_RT2500PCI)			+= rt2500pci.o