pinctrl: renesas: r8a7796: Use shorthands for reserved fields

Replace the full descriptions of reserved register fields by shorthands
with a negative field width, and merge adjacent reserved fields.

This reduces kernel size by 148 bytes.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/433f5ddcc2dba7352825cba007b99b8e654d4c61.1649865241.git.geert+renesas@glider.be

drivers/pinctrl/renesas/pfc-r8a7796.c

@@ -5567,8 +5567,8 @@ static const struct pinmux_cfg_reg pinmux_config_regs[] = {
 #define F_(x, y)	x,
 #define FM(x)		FN_##x,
 	{ PINMUX_CFG_REG_VAR("MOD_SEL0", 0xe6060500, 32,
-			     GROUP(3, 2, 3, 1, 1, 1, 1, 1, 2, 1, 1, 2,
-				   1, 1, 1, 2, 2, 1, 2, 3),
+			     GROUP(3, 2, 3, 1, 1, 1, 1, 1, 2, 1, -1, 2,
+				   1, 1, 1, 2, 2, 1, 2, -3),
 			     GROUP(
 		MOD_SEL0_31_30_29
 		MOD_SEL0_28_27
@@ -5580,7 +5580,7 @@ static const struct pinmux_cfg_reg pinmux_config_regs[] = {
 		MOD_SEL0_19
 		MOD_SEL0_18_17
 		MOD_SEL0_16
-		0, 0, /* RESERVED 15 */
+		/* RESERVED 15 */
 		MOD_SEL0_14_13
 		MOD_SEL0_12
 		MOD_SEL0_11
@@ -5589,12 +5589,11 @@ static const struct pinmux_cfg_reg pinmux_config_regs[] = {
 		MOD_SEL0_7_6
 		MOD_SEL0_5
 		MOD_SEL0_4_3
-		/* RESERVED 2, 1, 0 */
-		0, 0, 0, 0, 0, 0, 0, 0 ))
+		/* RESERVED 2, 1, 0 */ ))
 	},
 	{ PINMUX_CFG_REG_VAR("MOD_SEL1", 0xe6060504, 32,
 			     GROUP(2, 3, 1, 2, 3, 1, 1, 2, 1, 2, 1, 1,
-				   1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1),
+				   1, 1, 1, -2, 1, 1, 1, 1, 1, 1, 1),
 			     GROUP(
 		MOD_SEL1_31_30
 		MOD_SEL1_29_28_27
@@ -5611,7 +5610,7 @@ static const struct pinmux_cfg_reg pinmux_config_regs[] = {
 		MOD_SEL1_11
 		MOD_SEL1_10
 		MOD_SEL1_9
-		0, 0, 0, 0, /* RESERVED 8, 7 */
+		/* RESERVED 8, 7 */
 		MOD_SEL1_6
 		MOD_SEL1_5
 		MOD_SEL1_4
@@ -5622,7 +5621,7 @@ static const struct pinmux_cfg_reg pinmux_config_regs[] = {
 	},
 	{ PINMUX_CFG_REG_VAR("MOD_SEL2", 0xe6060508, 32,
 			     GROUP(1, 1, 1, 2, 1, 3, 1, 1, 1, 1, 1, 1,
-				   1, 4, 4, 4, 3, 1),
+				   -16, 1),
 			     GROUP(
 		MOD_SEL2_31
 		MOD_SEL2_30
@@ -5636,19 +5635,7 @@ static const struct pinmux_cfg_reg pinmux_config_regs[] = {
 		MOD_SEL2_19
 		MOD_SEL2_18
 		MOD_SEL2_17
-		/* RESERVED 16 */
-		0, 0,
-		/* RESERVED 15, 14, 13, 12 */
-		0, 0, 0, 0, 0, 0, 0, 0,
-		0, 0, 0, 0, 0, 0, 0, 0,
-		/* RESERVED 11, 10, 9, 8 */
-		0, 0, 0, 0, 0, 0, 0, 0,
-		0, 0, 0, 0, 0, 0, 0, 0,
-		/* RESERVED 7, 6, 5, 4 */
-		0, 0, 0, 0, 0, 0, 0, 0,
-		0, 0, 0, 0, 0, 0, 0, 0,
-		/* RESERVED 3, 2, 1 */
-		0, 0, 0, 0, 0, 0, 0, 0,
+		/* RESERVED 16-1 */
 		MOD_SEL2_0 ))
 	},
 	{ },