arm64: defconfig: enable Renesas R8A7796 SoC

This patch enables the Renesas R8A7796 SoC in the arm64 defconfig.
Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>

arch/arm64/configs/defconfig

@@ -45,6 +45,7 @@ CONFIG_ARCH_ROCKCHIP=y
 CONFIG_ARCH_SEATTLE=y
 CONFIG_ARCH_RENESAS=y
 CONFIG_ARCH_R8A7795=y
+CONFIG_ARCH_R8A7796=y
 CONFIG_ARCH_STRATIX10=y
 CONFIG_ARCH_TEGRA=y
 CONFIG_ARCH_SPRD=y