tree d78a9b38db0d3f8d4f103ccd842be55e60efc56d
parent 8189b8a893d7a56baff7dfbc6a9a513b0d351d7c
author Joey Armstrong <joey@opennetworking.org> 1667589051 -0400
committer Joey Armstrong <joey@opennetworking.org> 1667589151 -0400

Minor makefile clenaups.

Replace rm with macro $(RM) so 'make clean' will not fail when invoked in a clean sandbox.
Replaced 3-command pipeline to obtain branch= with an awk one-liner.

Change-Id: I03fce47713372d4b5979541efeaa4942dea0e6b1