arm64: defconfig: Enable RIIC

Enable RIIC driver support for Renesas RZ/G2L based platforms.
Signed-off-by: NBiju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: NLad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20210611165624.30749-6-biju.das.jz@bp.renesas.comSigned-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>

arch/arm64/configs/defconfig

@@ -461,6 +461,7 @@ CONFIG_I2C_PXA=y
 CONFIG_I2C_QCOM_CCI=m
 CONFIG_I2C_QCOM_GENI=m
 CONFIG_I2C_QUP=y
+CONFIG_I2C_RIIC=y
 CONFIG_I2C_RK3X=y
 CONFIG_I2C_SH_MOBILE=y
 CONFIG_I2C_TEGRA=y