doc: update make clean to remove doxygen folder

Gerrit patch https://gerrit.zephyrproject.org/r/#/c/10849/
created a doxygen folder that make clean should remove

Change-Id: I5cd4dea489c868eef4f101c20cced3280b7abc39
Signed-off-by: David B. Kinder <david.b.kinder@intel.com>
This commit is contained in:
David B. Kinder 2017-02-09 15:09:01 -08:00 committed by Anas Nashif
commit a023027f78

View file

@ -61,6 +61,7 @@ clean:
@rm -rf $(BUILDDIR)/*
@rm -rf html
@rm -rf xml
@rm -rf doxygen
@rm -rf latex
@rm -rf reference/kconfig/*.rst
@rm -rf samples