inteltool: add NetBSD compatibility

Tested on NetBSD-7.0/i386

Change-Id: I6a693633d3a80ea07ade233b1b4fd1c5a1412032
Signed-off-by: Andrey Korolyov <andrey@xdel.ru>
Reviewed-on: https://review.coreboot.org/12835
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

util/inteltool/Makefile

@@ -34,6 +34,10 @@ CFLAGS += -I/usr/local/include
 LDFLAGS += -L/usr/local/lib
 LIBS = -lz
 endif
+ifeq ($(OS_ARCH), NetBSD)
+CFLAGS += -I/usr/pkg/include
+LDFLAGS += -L/usr/pkg/lib -Wl,-rpath-link,/usr/pkg/lib -lz -lpciutils -lpci -l$(shell uname -p)
+endif
 
 all: pciutils dep $(PROGRAM)
 
@@ -52,7 +56,11 @@ dep:
 define LIBPCI_TEST
 /* Avoid a failing test due to libpci header symbol shadowing breakage */
 #define index shadow_workaround_index
+#ifdef __NetBSD__
+#include <pciutils/pci.h>
+#else
 #include <pci/pci.h>
+#endif
 struct pci_access *pacc;
 int main(int argc, char **argv)
 {