pinctrl: renesas: Add support for R8A774C0

Renesas RZ/G2E (a.k.a. r8a774c0) is pin compatible with R-Car
E3 (a.k.a. r8a77990), however it doesn't have several automotive
specific peripherals.

This patch hooks R8A774C0 SoC with the pfc driver.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
diff --git a/arch/arm/mach-rmobile/Kconfig.64 b/arch/arm/mach-rmobile/Kconfig.64
index 7eec65d..28c2628 100644
--- a/arch/arm/mach-rmobile/Kconfig.64
+++ b/arch/arm/mach-rmobile/Kconfig.64
@@ -15,6 +15,7 @@
 config R8A774C0
 	bool "Renesas SoC R8A774C0"
 	imply CLK_R8A774C0
+	imply PINCTRL_PFC_R8A774C0
 
 config R8A774E1
 	bool "Renesas SoC R8A774E1"