Staging: west bridge: Kconfig fix

This patch fixes the currently broken Kconfig for west bridge by
introducing a dependency on a valid HAL Layer for the driver build.
Signed-off-by: David Cross <david.cross@cypress.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/westbridge/Kconfig

@@ -4,7 +4,7 @@
 
 menuconfig WESTBRIDGE
 	tristate "West Bridge support"
-	depends on HAS_IOMEM && BROKEN
+	depends on WESTBRIDGE_HAL_SELECTED
 	help
 	  This selects West Bridge Peripheral controller support.
 
@@ -12,7 +12,7 @@ menuconfig WESTBRIDGE
 
 menuconfig WESTBRIDGE_ASTORIA
 	bool "West Bridge Astoria support"
-	depends on WESTBRIDGE != n
+	depends on WESTBRIDGE != n && WESTBRIDGE_HAL_SELECTED
 	help
 		This option enables support for West Bridge Astoria
 
@@ -20,11 +20,30 @@ if WESTBRIDGE_ASTORIA
 source "drivers/staging/westbridge/astoria/Kconfig"
 endif #WESTBRIDGE_ASTORIA
 
-menuconfig MACH_OMAP3_WESTBRIDGE_AST_PNAND_HAL
+config	WESTBRIDGE_HAL_SELECTED
+	boolean
+
+choice
+	prompt "West Bridge HAL"
+	help
+	   West Bridge HAL/processor interface to be used
+
+#
+# HAL Layers
+#
+
+config MACH_OMAP3_WESTBRIDGE_AST_PNAND_HAL
 	bool "WESTBRIDGE OMAP3430 Astoria PNAND HAL"
-	depends on ARCH_OMAP3 && WESTBRIDGE_ASTORIA
+	depends on ARCH_OMAP3
+	select WESTBRIDGE_HAL_SELECTED
+	help
+	   Include the OMAP3430 HAL for PNAND interface
+
+config MACH_NO_WESTBRIDGE
+	bool "no West Bridge HAL selected"
 	help
-		Include the OMAP3430 Linux Based HAL
+	   Do not include any HAL layer(de-activates West Bridge option)
+endchoice
 
 config WESTBRIDGE_DEBUG
 	bool "West Bridge debugging"