powerpc: implement GPIO LIB API on CPM1 Freescale SoC.

This patch implement GPIO LIB support for the CPM1 GPIOs.

Signed-off-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/arch/powerpc/platforms/8xx/Kconfig b/arch/powerpc/platforms/8xx/Kconfig
index 6fc849e..71d7562 100644
--- a/arch/powerpc/platforms/8xx/Kconfig
+++ b/arch/powerpc/platforms/8xx/Kconfig
@@ -105,6 +105,16 @@
 
 	  If in doubt, say Y here.
 
+config 8xx_GPIO
+	bool "GPIO API Support"
+	select GENERIC_GPIO
+	select ARCH_REQUIRE_GPIOLIB
+	help
+	  Saying Y here will cause the ports on an MPC8xx processor to be used
+	  with the GPIO API.  If you say N here, the kernel needs less memory.
+
+	  If in doubt, say Y here.
+
 config 8xx_CPU6
 	bool "CPU6 Silicon Errata (860 Pre Rev. C)"
 	help