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/btpintest.c b/arch/arm/mach-msm/btpintest.c
index 0abe09b..97a511e 100644
--- a/arch/arm/mach-msm/btpintest.c
+++ b/arch/arm/mach-msm/btpintest.c
@@ -23,7 +23,7 @@
 #include <linux/gpio.h>
 #include <mach/gpio.h>
 #include <mach/vreg.h>
-#include "gpiomux.h"
+#include <mach/gpiomux.h>
 
 #define VERSION     "1.0"
 struct dentry *pin_debugfs_dent;