add mihawk support to build-setup.sh
add mihawk support to build-setup.sh

Change-Id: I7b6b5e18c632466aa8dc8c26f87cad6ffd3ce1ca
Signed-off-by: Andrew Geissler <f7919ac9f8ec0c3ffbc3f483da625c634fd31638@yahoo.com>

openbmc/openbmc-build-scripts,openbmc/openbmc-build-scripts