Increase test coverage on OS X, by re-enabling the none/tests/amd64/avx2-1 regression...

Increase test coverage on OS X, by re-enabling the none/tests/amd64/avx2-1 regression test.
n-i-bz

(Unfortunately I don’t have right here the hw support, but build environment works)

$ perl tests/vg_regtest none/tests/amd64/avx2-1
avx2-1:          (skipping, prereq failed: test -x avx2-1 && ../../../tests/x86_amd64_features amd64-avx)

== 0 tests, 0 stderr failures, 0 stdout failures, 0 stderrB failures, 0 stdoutB failures, 0 post failures ==

On OS X 10.10

Before:

== 594 tests, 215 stderr failures, 9 stdout failures, 0 stderrB failures, 0 stdoutB failures, 30 post failures ==

After:

== 594 tests, 215 stderr failures, 9 stdout failures, 0 stderrB failures, 0 stdoutB failures, 30 post failures ==

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@15553