[ARM] pxa/palm: Introduce Palm27x

This contains common code for Palm LD, TX, T5, Z72, Treo680, Centro
This code also adds PMIC support for all the devices,

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index 21d1224..6f04f21 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -347,6 +347,9 @@
 	bool "PXA based Palm PDAs"
 	select HAVE_PWM
 
+config MACH_PALM27X
+	bool
+
 config MACH_PALMTE2
 	bool "Palm Tungsten|E2"
 	default y