pinctrl/nomadik: merge old pincfg header

This merges the old <plat/pincfg.h> header into
<linux/platform_data/pinctrl-nomadik.h> and rids us of
yet one more <plat/*> include.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/pinctrl/pinctrl-nomadik.c b/drivers/pinctrl/pinctrl-nomadik.c
index 1e04c1f..984a2ec 100644
--- a/drivers/pinctrl/pinctrl-nomadik.c
+++ b/drivers/pinctrl/pinctrl-nomadik.c
@@ -48,8 +48,6 @@
 
 #include <asm/mach/irq.h>
 
-#include <plat/pincfg.h>
-
 #include "pinctrl-nomadik.h"
 
 /*
@@ -534,7 +532,7 @@
  * and its sleep mode based on the specified configuration.  The @cfg is
  * usually one of the SoC specific macros defined in mach/<soc>-pins.h.  These
  * are constructed using, and can be further enhanced with, the macros in
- * plat/pincfg.h.
+ * <linux/platform_data/pinctrl-nomadik.h>
  *
  * If a pin's mode is set to GPIO, it is configured as an input to avoid
  * side-effects.  The gpio can be manipulated later using standard GPIO API