pinctrl: msm: Drop unused includes

These includes are unused or can be handled via forward
declarations. Remove them.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/pinctrl/pinctrl-msm.h b/drivers/pinctrl/pinctrl-msm.h
index 206e782e..8fbe9fb 100644
--- a/drivers/pinctrl/pinctrl-msm.h
+++ b/drivers/pinctrl/pinctrl-msm.h
@@ -13,10 +13,7 @@
 #ifndef __PINCTRL_MSM_H__
 #define __PINCTRL_MSM_H__
 
-#include <linux/pinctrl/pinctrl.h>
-#include <linux/pinctrl/pinmux.h>
-#include <linux/pinctrl/pinconf.h>
-#include <linux/pinctrl/machine.h>
+struct pinctrl_pin_desc;
 
 /**
  * struct msm_function - a pinmux function