qcacld-3.0: Enable Green AP feature on msmcobalt

Currently the Green AP feature is only enabled on mobile router
platforms. Enable it on the msmcobalt platform as well.

Change-Id: Ib5000b2201cc2c7bd88e3d322b186afcdb0a72e3
CRs-Fixed: 1072412

Kbuild

@@ -99,6 +99,9 @@ ifeq ($(KERNEL_BUILD), 0)
 	ifeq ($(CONFIG_MOBILE_ROUTER), y)
 	CONFIG_QCACLD_FEATURE_GREEN_AP := y
 	endif
+	ifeq ($(CONFIG_ARCH_MSMCOBALT), y)
+	CONFIG_QCACLD_FEATURE_GREEN_AP := y
+	endif
 
 	#Flag to enable Fast Transition (11r) feature
 	CONFIG_QCOM_VOWIFI_11R := y