qcacld-3.0: Enable thermal mgmt feature for AUTO

Enable CONFIG_FW_THERMAL_THROTTLE build flag for 6390 AUTO.

Change-Id: Iea34da72ba52a034856009fa362f9a89e43cb3f5
CRs-Fixed: 2786680

configs/qca6390_defconfig

@@ -13,6 +13,7 @@ ifeq ($(CONFIG_CNSS_QCA6390), y)
 	CONFIG_IPA3 := n
 	CONFIG_SCALE_INCLUDES := y
 	CONFIG_MORE_TX_DESC := y
+	CONFIG_FW_THERMAL_THROTTLE := y
 endif
 
 ifeq ($(CONFIG_ENABLE_IPA), y)