Clean generated version files

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

git-svn-id: svn://coreboot.org/openbios/trunk/openbios-devel@774 f158a5a8-5612-0410-a976-696ce0be7e32

Makefile.target

@@ -62,6 +62,7 @@ info:
 clean:
 	@printf "Cleaning up for $(ARCH)..."
 	@rm -rf forth.dict.core forthstrap *.dict openbios-*
+	@rm -f $(ODIR)/target/include/openbios-version.h $(ODIR)/forth/version.fs
 	@find . -type f \( -name "*~" -o -name '*.o' -o -name '*.a' \) -exec rm \{\} \;
 	@echo " ok"