OS-5549 move bpf filter functions into ip module
Reviewed by: Jerry Jelinek <jerry.jelinek@joyent.com>
Reviewed by: Robert Mustacchi <rm@joyent.com>
Approved by: Jerry Jelinek <jerry.jelinek@joyent.com>

*** 54,64 ****
  #
  #       Overrides.
  #
  CFLAGS          += $(CCVERBOSE)
  LDFLAGS         += -dy -N misc/mac
- INC_PATH        += -I$(UTSBASE)/common/io/bpf
  
  #
  #       Default build targets.
  #
  .KEEP_STATE:
--- 54,63 ----