Pull up following revision(s) (requested by msaitoh in ticket #432):
sys/dev/pci/if_wm.c: revision 1.548
Fix a bug that 8257[56] can't receive packet reported by Bert Kiers in
PR#52717. For 82575 and 82576, the RX descriptors must be initialized after
the setting of RCTL.EN in wm_set_filter(). This bug was added in if_wm.c
rev. 1.515.

(snj)