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>

*** 58,68 ****
  #
  CFLAGS                          += $(CCVERBOSE)
  $(RELEASE_BUILD)CFLAGS          += -xinline=auto -xcrossfile
  $(RELEASE_BUILD)COPTIMIZE       = -xO5
  LDFLAGS                         += -dy
- INC_PATH                        += -I$(UTSBASE)/common/io/bpf
  
  LINTTAGS                        += -erroff=E_PTRDIFF_OVERFLOW
  LINTTAGS                        += -erroff=E_BAD_PTR_CAST_ALIGN
  
  CERRWARN                        += -_gcc=-Wno-unused-label
--- 58,67 ----