qcacld-3.0: Enable Green AP by default

Currently Green AP is controlled by CONFIG_MOBILE_ROUTER and other
feature flags. Instead, enable Green AP by default in Kbuild.

Change-Id: I2570076f1dd2663f57630aa9808fbcb33b9b0dd2
CRs-Fixed: 2081715

Kbuild

@@ -92,16 +92,13 @@ ifeq ($(KERNEL_BUILD), 0)
 	CONFIG_QCOM_TDLS := y
 	endif
 
-	ifeq ($(CONFIG_MOBILE_ROUTER), y)
 	CONFIG_QCACLD_FEATURE_GREEN_AP := y
-	endif
+
 	ifeq ($(CONFIG_ARCH_MSM8998), y)
-	CONFIG_QCACLD_FEATURE_GREEN_AP := y
 	CONFIG_QCACLD_FEATURE_METERING := y
 	endif
 
 	ifeq ($(CONFIG_ARCH_SDM660), y)
-	CONFIG_QCACLD_FEATURE_GREEN_AP := y
 	CONFIG_QCACLD_FEATURE_METERING := y
 	endif