fix new arm and aarch64 gas test failures aarch64-pe +FAIL: gas/aarch64/fix-adj arm-pe +FAIL: MVE vmlas instructions arm-wince-pe +FAIL: MVE vmlas instructions These new tests use ELF directives. * testsuite/gas/aarch64/fix-adj.d: Only run on ELF targets. * testsuite/gas/arm/mve-vmlas.d: Likewise.