pinctrl: renesas: r8a77470: Share QSPI pin group data

Pin groups qspi[01]_data2 are subsets of qspi[01]_data4.

This reduces kernel size by 32 bytes.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/2d877878bda39109a1a5caf5c01c798c771d3fda.1640269757.git.geert+renesas@glider.be

drivers/pinctrl/renesas/pfc-r8a77470.c

@@ -1623,19 +1623,12 @@ static const unsigned int qspi0_ctrl_pins[] = {
 static const unsigned int qspi0_ctrl_mux[] = {
 	QSPI0_SPCLK_MARK, QSPI0_SSL_MARK,
 };
-static const unsigned int qspi0_data2_pins[] = {
-	/* MOSI_IO0, MISO_IO1 */
-	RCAR_GP_PIN(1, 17), RCAR_GP_PIN(1, 18),
-};
-static const unsigned int qspi0_data2_mux[] = {
-	QSPI0_MOSI_QSPI0_IO0_MARK, QSPI0_MISO_QSPI0_IO1_MARK,
-};
-static const unsigned int qspi0_data4_pins[] = {
+static const unsigned int qspi0_data_pins[] = {
 	/* MOSI_IO0, MISO_IO1, IO2, IO3 */
 	RCAR_GP_PIN(1, 17), RCAR_GP_PIN(1, 18), RCAR_GP_PIN(1, 19),
 	RCAR_GP_PIN(1, 20),
 };
-static const unsigned int qspi0_data4_mux[] = {
+static const unsigned int qspi0_data_mux[] = {
 	QSPI0_MOSI_QSPI0_IO0_MARK, QSPI0_MISO_QSPI0_IO1_MARK,
 	QSPI0_IO2_MARK, QSPI0_IO3_MARK,
 };
@@ -1646,19 +1639,12 @@ static const unsigned int qspi1_ctrl_pins[] = {
 static const unsigned int qspi1_ctrl_mux[] = {
 	QSPI1_SPCLK_MARK, QSPI1_SSL_MARK,
 };
-static const unsigned int qspi1_data2_pins[] = {
-	/* MOSI_IO0, MISO_IO1 */
-	RCAR_GP_PIN(4, 4), RCAR_GP_PIN(4, 5),
-};
-static const unsigned int qspi1_data2_mux[] = {
-	QSPI1_MOSI_QSPI1_IO0_MARK, QSPI1_MISO_QSPI1_IO1_MARK,
-};
-static const unsigned int qspi1_data4_pins[] = {
+static const unsigned int qspi1_data_pins[] = {
 	/* MOSI_IO0, MISO_IO1, IO2, IO3 */
 	RCAR_GP_PIN(4, 4), RCAR_GP_PIN(4, 5), RCAR_GP_PIN(4, 7),
 	RCAR_GP_PIN(4, 8),
 };
-static const unsigned int qspi1_data4_mux[] = {
+static const unsigned int qspi1_data_mux[] = {
 	QSPI1_MOSI_QSPI1_IO0_MARK, QSPI1_MISO_QSPI1_IO1_MARK,
 	QSPI1_IO2_MARK, QSPI1_IO3_MARK,
 };
@@ -2201,11 +2187,11 @@ static const struct sh_pfc_pin_group pinmux_groups[] = {
 	BUS_DATA_PIN_GROUP(mmc_data, 8),
 	SH_PFC_PIN_GROUP(mmc_ctrl),
 	SH_PFC_PIN_GROUP(qspi0_ctrl),
-	SH_PFC_PIN_GROUP(qspi0_data2),
-	SH_PFC_PIN_GROUP(qspi0_data4),
+	BUS_DATA_PIN_GROUP(qspi0_data, 2),
+	BUS_DATA_PIN_GROUP(qspi0_data, 4),
 	SH_PFC_PIN_GROUP(qspi1_ctrl),
-	SH_PFC_PIN_GROUP(qspi1_data2),
-	SH_PFC_PIN_GROUP(qspi1_data4),
+	BUS_DATA_PIN_GROUP(qspi1_data, 2),
+	BUS_DATA_PIN_GROUP(qspi1_data, 4),
 	SH_PFC_PIN_GROUP(scif0_data_a),
 	SH_PFC_PIN_GROUP(scif0_data_b),
 	SH_PFC_PIN_GROUP(scif0_data_c),