arm64: defconfig: Enable R8A779G0 SoC

Enable the Renesas R-Car V4H (R8A779G0) SoC in the ARM64 defconfig.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/eb672fad7c9a340812079a07539d670f42f4ad41.1654855105.git.geert+renesas@glider.be

arch/arm64/configs/defconfig

@@ -1119,6 +1119,7 @@ CONFIG_ARCH_R8A779F0=y
 CONFIG_ARCH_R8A77980=y
 CONFIG_ARCH_R8A77970=y
 CONFIG_ARCH_R8A779A0=y
+CONFIG_ARCH_R8A779G0=y
 CONFIG_ARCH_R8A774C0=y
 CONFIG_ARCH_R8A774E1=y
 CONFIG_ARCH_R8A774A1=y