qcacmn: Release peer ref if mem malloc fails and reset system

Logically deleted peers are used by umac for host/fw
synchronization. Any failure to return logically
deleted peers is catastrophic and will end up in random
behavior/fw assert.
This change makes below changes:
1. Release peer reference on malloc failure
2. Reset system if malloc fails
3. Move print log level to FATAL

Change-Id: I229f0e83a97b44b4436b4f9945265dcaf85901fd
CRs-Fixed: 2240560

umac/cmn_services/obj_mgr/src/wlan_objmgr_psoc_obj.c

@@ -1362,8 +1362,10 @@ static qdf_list_t
 					qdf_mem_malloc(
 					sizeof(struct wlan_logically_del_peer));
 					if (peer_list == NULL) {
+						wlan_objmgr_peer_release_ref(peer, dbg_id);
 						/* Lock is already released */
-						obj_mgr_err("Mem alloc failed");
+						obj_mgr_alert("Mem alloc failed");
+						WLAN_OBJMGR_BUG(0);
 						break;
 					}