Enable OV3660 support in sdkconfig.defaults (#3996)

code/sdkconfig.defaults

@@ -158,7 +158,7 @@ CONFIG_CAMERA_CORE1=y
 CONFIG_OV7670_SUPPORT=n
 CONFIG_OV7725_SUPPORT=n
 CONFIG_NT99141_SUPPORT=n
-CONFIG_OV3660_SUPPORT=n
+CONFIG_OV3660_SUPPORT=y
 CONFIG_OV2640_SUPPORT=y
 CONFIG_OV5640_SUPPORT=y
 CONFIG_GC2145_SUPPORT=n