pinctrl: renesas: r8a779g0: Remove STPWT_EXTFXR

Rev.1.30 of the R-Car V4H Series Hardware User’s Manual removed the
"STPWT_EXTFXR" signal from the pin control register tables.  As this is
further unused in the pin control driver, it can be removed safely.

Signed-off-by: Huy Bui <huy.bui.wm@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Link: https://patch.msgid.link/f6cfdbbc024d85e87583a1d57ea01582632f1216.1762274384.git.geert+renesas@glider.be

Author: Huy Bui

drivers/pinctrl/renesas/pfc-r8a779g0.c

@@ -352,7 +352,7 @@
 #define IP1SR2_3_0	FM(TPU0TO0_A)		FM(CANFD6_RX)		F_(0, 0)		FM(TCLK1_B)	F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0)
 #define IP1SR2_7_4	FM(CAN_CLK)		FM(FXR_TXENA_N_B)	F_(0, 0)		F_(0, 0)	F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0)
 #define IP1SR2_11_8	FM(CANFD0_TX)		FM(FXR_TXENB_N_B)	F_(0, 0)		F_(0, 0)	F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0)
-#define IP1SR2_15_12	FM(CANFD0_RX)		FM(STPWT_EXTFXR)	F_(0, 0)		F_(0, 0)	F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0)
+#define IP1SR2_15_12	FM(CANFD0_RX)		F_(0, 0)		F_(0, 0)		F_(0, 0)	F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0)
 #define IP1SR2_19_16	FM(CANFD2_TX)		FM(TPU0TO2_A)		F_(0, 0)		FM(TCLK3_C)	F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0)
 #define IP1SR2_23_20	FM(CANFD2_RX)		FM(TPU0TO3_A)		FM(PWM1_B)		FM(TCLK4_C)	F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0)
 #define IP1SR2_27_24	FM(CANFD3_TX)		F_(0, 0)		FM(PWM2)		F_(0, 0)	F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0)
@@ -925,7 +925,6 @@ static const u16 pinmux_data[] = {
 	PINMUX_IPSR_GPSR(IP1SR2_11_8,	FXR_TXENB_N_B),
 
 	PINMUX_IPSR_GPSR(IP1SR2_15_12,	CANFD0_RX),
-	PINMUX_IPSR_GPSR(IP1SR2_15_12,	STPWT_EXTFXR),
 
 	PINMUX_IPSR_GPSR(IP1SR2_19_16,	CANFD2_TX),
 	PINMUX_IPSR_GPSR(IP1SR2_19_16,	TPU0TO2_A),