ARM: renesas: Add R8A779F0 S4 Kconfig entry and PRR ID

Add Kconfig entry and PRR ID to support R8A779F0 S4 SoC.

Reviewed-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Signed-off-by: Hai Pham <hai.pham.ud@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
[Marek: Update commit message]
diff --git a/arch/arm/mach-rmobile/cpu_info.c b/arch/arm/mach-rmobile/cpu_info.c
index 07f7c22..02477c2 100644
--- a/arch/arm/mach-rmobile/cpu_info.c
+++ b/arch/arm/mach-rmobile/cpu_info.c
@@ -76,6 +76,7 @@
 	{ RMOBILE_CPU_TYPE_R8A77990, "R8A77990" },
 	{ RMOBILE_CPU_TYPE_R8A77995, "R8A77995" },
 	{ RMOBILE_CPU_TYPE_R8A779A0, "R8A779A0" },
+	{ RMOBILE_CPU_TYPE_R8A779F0, "R8A779F0" },
 	{ 0x0, "CPU" },
 };