msm: Move gpiomux.h to include/mach

The gpiomux interface is required for drivers
to manipulate the pinmux functionality of their gpios
at runtime.

Signed-off-by: Rohit Vaswani <rvaswani@codeaurora.org>
diff --git a/arch/arm/mach-msm/gpio-v2.c b/arch/arm/mach-msm/gpio-v2.c
index d5d6b92..6398676 100644
--- a/arch/arm/mach-msm/gpio-v2.c
+++ b/arch/arm/mach-msm/gpio-v2.c
@@ -24,7 +24,7 @@
 #include <asm/mach/irq.h>
 
 #include <mach/msm_iomap.h>
-#include "gpiomux.h"
+#include <mach/gpiomux.h>
 #include "mpm.h"
 
 /* Bits of interest in the GPIO_IN_OUT register.