pinctrl: sh-pfc: Add PORT_GP_{10,2[01]} helper macros

This follows the style of existion PORT_GP_X macros and
will be used by a follow-up patch for the r8a77995 SoC.

Extracted from the initial r8a77995 patch in the BSP by Takeshi Kihara.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

drivers/pinctrl/sh-pfc/sh_pfc.h

@@ -389,9 +389,13 @@ extern const struct sh_pfc_soc_info shx3_pinmux_info;
 	PORT_GP_CFG_1(bank, 8,  fn, sfx, cfg)
 #define PORT_GP_9(bank, fn, sfx)	PORT_GP_CFG_9(bank, fn, sfx, 0)
 
-#define PORT_GP_CFG_12(bank, fn, sfx, cfg)				\
+#define PORT_GP_CFG_10(bank, fn, sfx, cfg)				\
 	PORT_GP_CFG_9(bank, fn, sfx, cfg),				\
-	PORT_GP_CFG_1(bank, 9,  fn, sfx, cfg),				\
+	PORT_GP_CFG_1(bank, 9,  fn, sfx, cfg)
+#define PORT_GP_10(bank, fn, sfx)	PORT_GP_CFG_10(bank, fn, sfx, 0)
+
+#define PORT_GP_CFG_12(bank, fn, sfx, cfg)				\
+	PORT_GP_CFG_10(bank, fn, sfx, cfg),				\
 	PORT_GP_CFG_1(bank, 10, fn, sfx, cfg),				\
 	PORT_GP_CFG_1(bank, 11, fn, sfx, cfg)
 #define PORT_GP_12(bank, fn, sfx)	PORT_GP_CFG_12(bank, fn, sfx, 0)
@@ -422,11 +426,19 @@ extern const struct sh_pfc_soc_info shx3_pinmux_info;
 	PORT_GP_CFG_1(bank, 17, fn, sfx, cfg)
 #define PORT_GP_18(bank, fn, sfx)	PORT_GP_CFG_18(bank, fn, sfx, 0)
 
-#define PORT_GP_CFG_23(bank, fn, sfx, cfg)				\
+#define PORT_GP_CFG_20(bank, fn, sfx, cfg)				\
 	PORT_GP_CFG_18(bank, fn, sfx, cfg),				\
 	PORT_GP_CFG_1(bank, 18, fn, sfx, cfg),				\
-	PORT_GP_CFG_1(bank, 19, fn, sfx, cfg),				\
-	PORT_GP_CFG_1(bank, 20, fn, sfx, cfg),				\
+	PORT_GP_CFG_1(bank, 19, fn, sfx, cfg)
+#define PORT_GP_20(bank, fn, sfx)	PORT_GP_CFG_20(bank, fn, sfx, 0)
+
+#define PORT_GP_CFG_21(bank, fn, sfx, cfg)				\
+	PORT_GP_CFG_20(bank, fn, sfx, cfg),				\
+	PORT_GP_CFG_1(bank, 20, fn, sfx, cfg)
+#define PORT_GP_21(bank, fn, sfx)	PORT_GP_CFG_21(bank, fn, sfx, 0)
+
+#define PORT_GP_CFG_23(bank, fn, sfx, cfg)				\
+	PORT_GP_CFG_21(bank, fn, sfx, cfg),				\
 	PORT_GP_CFG_1(bank, 21, fn, sfx, cfg),				\
 	PORT_GP_CFG_1(bank, 22, fn, sfx, cfg)
 #define PORT_GP_23(bank, fn, sfx)	PORT_GP_CFG_23(bank, fn, sfx, 0)