MFC r284470
In bxe_init_mcast_macs_list(): mc_mac->mac needs to point to the multicast mac address
In bxe_set_mc_list(): added missing BXE_MCAST_UNLOCK()
In __ecore_vlan_mac_h_exec_pending(): need to check for ECORE_PENDING

Submitted by: gary.zambrano@qlogic.com