sh-pfc: Replace pinmux_enum_id typedef with u16

The typedef only conceals the real variable type without bringing any
additional value (see Documentation/CodingStyle, section 5.b). Moreover,
it polutes the pinmux namespace. Replace it with the integer type it
used to hide.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Tested-by: Yusuke Goda <yusuke.goda.sx@renesas.com>
diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7740.c b/drivers/pinctrl/sh-pfc/pfc-r8a7740.c
index 3fb1e0b..214ac6c 100644
--- a/drivers/pinctrl/sh-pfc/pfc-r8a7740.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a7740.c
@@ -586,7 +586,7 @@
 #define _PORT_DATA(pfx, sfx)	PORT_DATA_IO(pfx)
 #define PINMUX_DATA_GP_ALL()	CPU_ALL_PORT(_PORT_DATA, , unused)
 
-static const pinmux_enum_t pinmux_data[] = {
+static const u16 pinmux_data[] = {
 	PINMUX_DATA_GP_ALL(),
 
 	/* Port0 */