Replace -march= with -mfeature toggles.

This gives us parity with Chromium (https://crrev.com/c/5046492)
and skcms (http://review.skia.org/781517).

Bug: b/310927123
Change-Id: Id9777d08a7fd5c7ef0f5c708cc472c0f625dac37
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/781536
Reviewed-by: Brian Osman <brianosman@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
Commit-Queue: John Stiles <johnstiles@google.com>
1 file changed