[ARM] pxa: add cpufreq support

There have been patches hanging around for ages to add support for
cpufreq to PXA255 processors.  It's about time we applied one.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 1be7182..4ea3d9e 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -868,7 +868,7 @@
 
 endmenu
 
-if (ARCH_SA1100 || ARCH_INTEGRATOR || ARCH_OMAP || ARCH_IMX )
+if (ARCH_SA1100 || ARCH_INTEGRATOR || ARCH_OMAP || ARCH_IMX || ARCH_PXA)
 
 menu "CPU Frequency scaling"
 
@@ -904,6 +904,12 @@
 
 	  If in doubt, say N.
 
+config CPU_FREQ_PXA
+	bool
+	depends on CPU_FREQ && ARCH_PXA && PXA25x
+	default y
+	select CPU_FREQ_DEFAULT_GOV_USERSPACE
+
 endmenu
 
 endif