pinctrl: sh-pfc: Add PORT_GP_CFG_{6|22}() helper macros

They follow the style of the existing PORT_GP_CFG_<n>() macros and
will be used by a follow-up  patch for the R8A77970 SoC.

Based on the original (and large) patch by Daisuke Matsushita
<daisuke.matsushita.ns@hitachi.com>.
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

drivers/pinctrl/sh-pfc/sh_pfc.h

@@ -389,10 +389,14 @@ extern const struct sh_pfc_soc_info shx3_pinmux_info;
 	PORT_GP_CFG_1(bank, 3,  fn, sfx, cfg)
 #define PORT_GP_4(bank, fn, sfx)	PORT_GP_CFG_4(bank, fn, sfx, 0)
 
-#define PORT_GP_CFG_8(bank, fn, sfx, cfg)				\
+#define PORT_GP_CFG_6(bank, fn, sfx, cfg)				\
 	PORT_GP_CFG_4(bank, fn, sfx, cfg),				\
 	PORT_GP_CFG_1(bank, 4,  fn, sfx, cfg),				\
-	PORT_GP_CFG_1(bank, 5,  fn, sfx, cfg),				\
+	PORT_GP_CFG_1(bank, 5,  fn, sfx, cfg)
+#define PORT_GP_6(bank, fn, sfx)	PORT_GP_CFG_6(bank, fn, sfx, 0)
+
+#define PORT_GP_CFG_8(bank, fn, sfx, cfg)				\
+	PORT_GP_CFG_6(bank, fn, sfx, cfg),				\
 	PORT_GP_CFG_1(bank, 6,  fn, sfx, cfg),				\
 	PORT_GP_CFG_1(bank, 7,  fn, sfx, cfg)
 #define PORT_GP_8(bank, fn, sfx)	PORT_GP_CFG_8(bank, fn, sfx, 0)
@@ -450,9 +454,13 @@ extern const struct sh_pfc_soc_info shx3_pinmux_info;
 	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)				\
+#define PORT_GP_CFG_22(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, 21, fn, sfx, cfg)
+#define PORT_GP_22(bank, fn, sfx)	PORT_GP_CFG_22(bank, fn, sfx, 0)
+
+#define PORT_GP_CFG_23(bank, fn, sfx, cfg)				\
+	PORT_GP_CFG_22(bank, 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)