qcacmn: Fix for Vlan Header initialize

Vlan Header is not initialize before passing it
to IPA driver, due to this some Vlan header fields
are junk and causing issue in IPA driver.

Fix is to initialize the header with 0

CRs-Fixed: 3342771
Change-Id: Ic29e0822f32bec5ea71702ceea75b7354caeda65

dp/wifi3.0/dp_ipa.c

@@ -2855,6 +2855,12 @@ QDF_STATUS dp_ipa_setup_iface(char *ifname, uint8_t *mac_addr,
 
 	qdf_mem_zero(&in, sizeof(qdf_ipa_wdi_reg_intf_in_params_t));
 
+	/* Need to reset the values to 0 as all the fields are not
+	 * updated in the Header, Unused fields will be set to 0.
+	 */
+	qdf_mem_zero(&uc_tx_vlan_hdr, sizeof(struct dp_ipa_uc_tx_vlan_hdr));
+	qdf_mem_zero(&uc_tx_vlan_hdr_v6, sizeof(struct dp_ipa_uc_tx_vlan_hdr));
+
 	dp_debug("Add Partial hdr: %s, "QDF_MAC_ADDR_FMT, ifname,
 		 QDF_MAC_ADDR_REF(mac_addr));
 	qdf_mem_zero(&hdr_info, sizeof(qdf_ipa_wdi_hdr_info_t));