mediatek: enable mtk_efuse by default

Enable by default mtk_efuse driver since it needed by mtk_thermal driver
to read sensor calibration data

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>

target/linux/mediatek/mt7622/config-4.19

@@ -401,7 +401,7 @@ CONFIG_MTD_SPLIT_UIMAGE_FW=y
 CONFIG_MTK_DISP_PLATFORM=""
 # CONFIG_MTK_DRE30_SUPPORT is not set
 # CONFIG_MTK_DVFSRC is not set
-# CONFIG_MTK_EFUSE is not set
+CONFIG_MTK_EFUSE=y
 # CONFIG_MTK_GED_SUPPORT is not set
 # CONFIG_MTK_GPS_SUPPORT is not set
 # CONFIG_MTK_GPU_COMMON_DVFS_SUPPORT is not set