wl12xx: rename driver to wl1251

Rename driver to wl1251.ko in preparation for wl1271 driver.
Signed-off-by: NKalle Valo <kalle.valo@nokia.com>
Reviewed-by: NVidhya Govindan <vidhya.govindan@nokia.com>
Reviewed-by: NLuciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/wl12xx/Kconfig

-config WL12XX
-	tristate "TI wl1251/wl1271 support"
-	depends on MAC80211 && WLAN_80211 && SPI_MASTER && GENERIC_HARDIRQS && EXPERIMENTAL
+menuconfig WL12XX
+	boolean "TI wl12xx driver support"
+	depends on MAC80211 && WLAN_80211 && EXPERIMENTAL
+	---help---
+	  This will enable TI wl12xx driver support. The drivers make
+	  use of the mac80211 stack.
+
+config WL1251
+	tristate "TI wl1251 support"
+	depends on WL12XX && SPI_MASTER && GENERIC_HARDIRQS
 	select FW_LOADER
 	select CRC7
 	---help---
 	  This module adds support for wireless adapters based on
-	  TI wl1251/wl1271 chipsets.
+	  TI wl1251 chipset.
 
-	  If you choose to build a module, it'll be called wl12xx. Say N if
+	  If you choose to build a module, it'll be called wl1251. Say N if
 	  unsure.

drivers/net/wireless/wl12xx/Makefile

-wl12xx-objs		= main.o spi.o event.o wl1251_tx.o rx.o \
+wl1251-objs		= main.o spi.o event.o wl1251_tx.o rx.o \
 			  ps.o cmd.o acx.o boot.o init.o wl1251_ops.o  \
 			  debugfs.o
-obj-$(CONFIG_WL12XX)	+= wl12xx.o
+obj-$(CONFIG_WL1251)	+= wl1251.o