Move crossgcc rules to coreboot specific Makefile

Toplevel Makefile should (as far as possible) be coreboot-agnostic,
we have Makefile.inc for that.

Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Acked-by: Patrick Georgi <patrick@georgi-clan.de>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6599 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/Makefile.inc b/Makefile.inc
index ea27dd1..0ef9377 100644
--- a/Makefile.inc
+++ b/Makefile.inc
@@ -230,3 +230,10 @@
 	done; \
 	test $$FAILED -eq 0 || { echo "ERROR: $$FAILED test(s) failed." &&  exit 1; }; \
 	rm -f $$LINTLOG
+
+crossgcc: clean-for-update
+	$(MAKE) -C util/crossgcc build
+
+crossgcc-clean: clean-for-update
+	$(MAKE) -C util/crossgcc clean
+