ARM: mach-shmobile: sh7377 and G4EVM pinmux support

Add support for the sh 7377 pinmux using drivers/sh/pfc.c
and some LEDs on G4EVM.

Signed-off-by: NISHIMOTO Hiroki <nishimoto.hiroki@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig
index 639df5f..a96c25a 100644
--- a/arch/arm/mach-shmobile/Kconfig
+++ b/arch/arm/mach-shmobile/Kconfig
@@ -36,6 +36,7 @@
 config MACH_G4EVM
 	bool "G4EVM board"
 	depends on ARCH_SH7377
+	select ARCH_REQUIRE_GPIOLIB
 
 config MACH_AP4EVB
 	bool "AP4EVB board"