arm64: defconfig: Enable R8A774E1 SoC

Enable the Renesas RZ/G2H (R8A774E1) SoC in the ARM64 defconfig.
Signed-off-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/1594230511-24790-6-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

arch/arm64/configs/defconfig

@@ -865,6 +865,7 @@ CONFIG_QCOM_APR=m
 CONFIG_ARCH_R8A774A1=y
 CONFIG_ARCH_R8A774B1=y
 CONFIG_ARCH_R8A774C0=y
+CONFIG_ARCH_R8A774E1=y
 CONFIG_ARCH_R8A77950=y
 CONFIG_ARCH_R8A77951=y
 CONFIG_ARCH_R8A77960=y