arm64: defconfig: enable thermal driver for Renesas R-Car Gen3

We want this driver to detect critical temperatures in time.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index a83012a..1eb0544 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -316,6 +316,7 @@
 CONFIG_THERMAL_EMULATION=y
 CONFIG_BRCMSTB_THERMAL=m
 CONFIG_EXYNOS_THERMAL=y
+CONFIG_RCAR_GEN3_THERMAL=y
 CONFIG_ROCKCHIP_THERMAL=m
 CONFIG_WATCHDOG=y
 CONFIG_S3C2410_WATCHDOG=y