ARM: shmobile: defconfig: Enable r8a7744 SoC

Enable recently added r8a7744 (RZ/G1N) SoC.
Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/configs/shmobile_defconfig

@@ -13,6 +13,7 @@ CONFIG_ARCH_R7S72100=y
 CONFIG_ARCH_R8A73A4=y
 CONFIG_ARCH_R8A7740=y
 CONFIG_ARCH_R8A7743=y
+CONFIG_ARCH_R8A7744=y
 CONFIG_ARCH_R8A7745=y
 CONFIG_ARCH_R8A77470=y
 CONFIG_ARCH_R8A7778=y