qcacmn: Initialize variable in cfg80211 roc and mgmt tx

To avoid unexpect issue, initialize variable in cfg80211 roc and mgmt
tx.

Change-Id: I5cc11cf011a136f29f6815142a45918ed71583fa
CRs-Fixed: 2091906

os_if/linux/p2p/src/wlan_cfg80211_p2p.c

@@ -336,7 +336,7 @@ int wlan_cfg80211_roc(struct wlan_objmgr_vdev *vdev,
 	struct ieee80211_channel *chan, uint32_t duration,
 	uint64_t *cookie)
 {
-	struct p2p_roc_req roc_req;
+	struct p2p_roc_req roc_req = {0};
 	struct wlan_objmgr_psoc *psoc;
 	uint8_t vdev_id;
 	bool ok;
@@ -405,7 +405,7 @@ int wlan_cfg80211_mgmt_tx(struct wlan_objmgr_vdev *vdev,
 		const uint8_t *buf, uint32_t len, bool no_cck,
 		bool dont_wait_for_ack, uint64_t *cookie)
 {
-	struct p2p_mgmt_tx mgmt_tx;
+	struct p2p_mgmt_tx mgmt_tx = {0};
 	struct wlan_objmgr_psoc *psoc;
 	uint8_t vdev_id;