tree 64faeb43afbc9a7981547293444d6b5721ce8412
parent 7c4909fbb3a435e5bb1d43361d084f24daee7be7
author Shannon McPherson <shannon@lunarg.com> 1551897974 -0700
committer Shannon McPherson <shannon@lunarg.com> 1551897974 -0700

build: Correct Metal platform name

In `common_codegen.py`, the Metal platform was defined without the
"_EXT" suffix

Change-Id: Ied604c46b55c669567517f5b2b7613d8c7f8ae64