omap: boards w/ wl12xx should select REGULATOR_FIXED_VOLTAGE

Power to the wl12xx wlan device is controlled by a fixed regulator.

Boards that have the wl12xx should select REGULATOR_FIXED_VOLTAGE so
users will not be baffled.
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/Kconfig

@@ -189,6 +189,7 @@ config MACH_OMAP3_PANDORA
 	depends on ARCH_OMAP3
 	default y
 	select OMAP_PACKAGE_CBB
+	select REGULATOR_FIXED_VOLTAGE
 
 config MACH_OMAP3_TOUCHBOOK
 	bool "OMAP3 Touch Book"
@@ -240,6 +241,7 @@ config MACH_OMAP_ZOOM2
 	select SERIAL_8250
 	select SERIAL_CORE_CONSOLE
 	select SERIAL_8250_CONSOLE
+	select REGULATOR_FIXED_VOLTAGE
 
 config MACH_OMAP_ZOOM3
 	bool "OMAP3630 Zoom3 board"
@@ -249,6 +251,7 @@ config MACH_OMAP_ZOOM3
 	select SERIAL_8250
 	select SERIAL_CORE_CONSOLE
 	select SERIAL_8250_CONSOLE
+	select REGULATOR_FIXED_VOLTAGE
 
 config MACH_CM_T35
 	bool "CompuLab CM-T35 module"