clk: renesas: Add R8A774B1 clock tables

This sync's the RZ/G2N clock tables with mainline linux 5.9 commit
bbf5c979011a ("Linux 5.9").

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
diff --git a/arch/arm/mach-rmobile/Kconfig.64 b/arch/arm/mach-rmobile/Kconfig.64
index 84e8955..d5743eb 100644
--- a/arch/arm/mach-rmobile/Kconfig.64
+++ b/arch/arm/mach-rmobile/Kconfig.64
@@ -7,6 +7,7 @@
 
 config R8A774B1
 	bool "Renesas SoC R8A774B1"
+	imply CLK_R8A774B1
 
 config R8A774C0
 	bool "Renesas SoC R8A774C0"