Memory Footprint: Export GCC v7.3.1 to ENV PATH

Exporting GCC PATH by directly run sh command in workspace
does not work in memory footprint.
It needs to be appended by Python scripts.

Signed-off-by: Xinyu Zhang <xinyu.zhang@arm.com>
Change-Id: I4322acaa786c3b23097a5c2ab193dc1726c105ba
2 files changed