wl12xx/wlcore: rename wl12xx to wlcore

Rename the wl12xx driver directory to wlcore as an initial step
towards the split of the driver into wlcore and wl12xx.  We just
rename the directory first to keep git blame happy.
Signed-off-by: Luciano Coelho <coelho@ti.com>

drivers/net/wireless/ti/Kconfig

@@ -7,5 +7,5 @@ menuconfig WL_TI
 
 if WL_TI
 source "drivers/net/wireless/ti/wl1251/Kconfig"
-source "drivers/net/wireless/ti/wl12xx/Kconfig"
+source "drivers/net/wireless/ti/wlcore/Kconfig"
 endif # WL_TI

drivers/net/wireless/ti/Makefile

-obj-$(CONFIG_WL12XX)			+= wl12xx/
-obj-$(CONFIG_WL12XX_PLATFORM_DATA)	+= wl12xx/
+obj-$(CONFIG_WL12XX)			+= wlcore/
+obj-$(CONFIG_WL12XX_PLATFORM_DATA)	+= wlcore/
 obj-$(CONFIG_WL1251)			+= wl1251/