[ARM] pxa: add basic support for HP iPAQ hx4700 PDAs

This includes
- IrDA (pxafixp_ir),
- Buttons (gpio-keys),
- ASIC3 IRQ/GPIOs (asic3),
- EGPIOs (htc-egpio),
- ATI Imageon w3220 framebuffer (w100fb),
- Backlight (pwm-backlight),
- StrataFlash (physmap),
- Battery monitor (ds1wm,w1_ds2760,ds2760_battery)
- USB gadget support (pxa27x_udc,gpio_vbus).
- bq24022 battery charger (pda_power,bq24022)
- TSC2046 touchscreen (ads7846)

Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>

arch/arm/mach-pxa/Kconfig

@@ -309,6 +309,14 @@ config MACH_CM_X300
 	select PXA3xx
 	select CPU_PXA300
 
+config MACH_H4700
+	bool "HP iPAQ hx4700"
+	select PXA27x
+	select IWMMXT
+	select PXA_SSP
+	select HAVE_PWM
+	select PXA_HAVE_BOARD_IRQS
+
 config MACH_MAGICIAN
 	bool "Enable HTC Magician Support"
 	select PXA27x

arch/arm/mach-pxa/Makefile

@@ -46,6 +46,7 @@ obj-$(CONFIG_MACH_PCM027)	+= pcm027.o
 obj-$(CONFIG_MACH_PCM990_BASEBOARD)	+= pcm990-baseboard.o
 obj-$(CONFIG_MACH_TOSA)		+= tosa.o
 obj-$(CONFIG_MACH_EM_X270)	+= em-x270.o
+obj-$(CONFIG_MACH_H4700)	+= hx4700.o
 obj-$(CONFIG_MACH_MAGICIAN)	+= magician.o
 obj-$(CONFIG_MACH_HIMALAYA)	+= himalaya.o
 obj-$(CONFIG_MACH_MIOA701)	+= mioa701.o mioa701_bootresume.o