build system: lint targets aren't compile targets

So don't treat them as such. Fixes interactions with
class initialization (eg. verstage) on lint.

Change-Id: I8b5f2a56e73ba934590c45494e6a49f93c42096f
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: http://review.coreboot.org/8472
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Marc Jones <marc.jones@se-eng.com>

Makefile

@@ -97,7 +97,7 @@ ifeq ($(strip $(HAVE_DOTCONFIG)),)
 NOCOMPILE:=1
 endif
 ifneq ($(MAKECMDGOALS),)
-ifneq ($(filter %config %clean cross%,$(MAKECMDGOALS)),)
+ifneq ($(filter %config %clean cross% lint%,$(MAKECMDGOALS)),)
 NOCOMPILE:=1
 endif
 ifeq ($(MAKECMDGOALS), %clean)