pinctrl: renesas: r8a77990: Fix MOD_SEL0 bit3 when using TX0

According to the R-Car Gen3 Hardware Manual Errata for Rev 1.50,
the MOD_SEL0 bit3 is set to 0 when TX0_A pin function is selected,
and the MOD_SEL0 bit3 is set to 1 when TX0_B pin function is
selected.

Signed-off-by: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/drivers/pinctrl/renesas/pfc-r8a77990.c b/drivers/pinctrl/renesas/pfc-r8a77990.c
index 9929100..3d6cd01 100644
--- a/drivers/pinctrl/renesas/pfc-r8a77990.c
+++ b/drivers/pinctrl/renesas/pfc-r8a77990.c
@@ -1063,7 +1063,7 @@
 	PINMUX_IPSR_GPSR(IP11_11_8,		RIF1_SYNC),
 	PINMUX_IPSR_GPSR(IP11_11_8,		TS_SCK1),
 
-	PINMUX_IPSR_GPSR(IP11_15_12,		TX0_A),
+	PINMUX_IPSR_MSEL(IP11_15_12,		TX0_A,		SEL_SCIF0_0),
 	PINMUX_IPSR_GPSR(IP11_15_12,		HTX1_A),
 	PINMUX_IPSR_MSEL(IP11_15_12,		SSI_WS2_A,	SEL_SSI2_0),
 	PINMUX_IPSR_GPSR(IP11_15_12,		RIF1_D0),
@@ -1173,7 +1173,7 @@
 	PINMUX_IPSR_MSEL(IP13_19_16,		SIM0_D_A,	SEL_SIMCARD_0),
 
 	PINMUX_IPSR_GPSR(IP13_23_20,		MLB_DAT),
-	PINMUX_IPSR_GPSR(IP13_23_20,		TX0_B),
+	PINMUX_IPSR_MSEL(IP13_23_20,		TX0_B,		SEL_SCIF0_0),
 	PINMUX_IPSR_MSEL(IP13_23_20,		RIF0_SYNC_A,	SEL_DRIF0_0),
 	PINMUX_IPSR_GPSR(IP13_23_20,		SIM0_CLK_A),