documentation: Makefile - Remove tarfile for clean target.

When a user makes a manual and specifies the 'clean' target
the *.tgz file should be removed also.  Added code to accomplish
this.

(From yocto-docs rev: 005c86303089d2ccc646bc70700a6084de887996)

Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/documentation/Makefile b/documentation/Makefile
index 0218211313..de345c1596 100644
--- a/documentation/Makefile
+++ b/documentation/Makefile
@@ -308,4 +308,4 @@ publish:
         fi
 
 clean:
-        rm -f $(MANUALS)
+        rm -f $(MANUALS); rm $(DOC)/$(DOC).*tgz;