qcacld: HDD: Extended Scan Implementation

HDD changes to support Extended Scan feature
requirements.

Change-Id: I33f3ec4ea4649341d8dff3f61196157394fbd84b
CRs-Fixed: 672788
diff --git a/Kbuild b/Kbuild
index ea10782..f1adc04 100644
--- a/Kbuild
+++ b/Kbuild
@@ -993,8 +993,9 @@
 		-DFEATURE_WLAN_PAL_MEM_DISABLE \
                 -DQCA_SUPPORT_TXRX_VDEV_PAUSE_LL \
 		-DQCA_SUPPORT_TX_THROTTLE_LL \
-		-DWMI_INTERFACE_EVENT_LOGGING\
-		-DATH_SUPPORT_WAPI\
+		-DWMI_INTERFACE_EVENT_LOGGING \
+		-DATH_SUPPORT_WAPI \
+		-DFEATURE_WLAN_EXTSCAN
 
 ifeq ($(CONFIG_QCA_WIFI_SDIO), 1)
 CDEFINES +=     -DCONFIG_HL_SUPPORT \