* for-next/selftests: (22 commits)
kselftest/arm64: Fix hwcaps selftest build
kselftest/arm64: add jscvt feature to hwcap test
kselftest/arm64: add pmull feature to hwcap test
kselftest/arm64: add AES feature check to hwcap test
kselftest/arm64: add SHA1 and related features to hwcap test
kselftest/arm64: build BTI tests in output directory
kselftest/arm64: fix a memleak in zt_regs_run()
kselftest/arm64: Size sycall-abi buffers for the actual maximum VL
kselftest/arm64: add lse and lse2 features to hwcap test
kselftest/arm64: add test item that support to capturing the SIGBUS signal
kselftest/arm64: add DEF_SIGHANDLER_FUNC() and DEF_INST_RAISE_SIG() helpers
kselftest/arm64: add crc32 feature to hwcap test
kselftest/arm64: add float-point feature to hwcap test
kselftest/arm64: Use the tools/include compiler.h rather than our own
kselftest/arm64: Use shared OPTIMZER_HIDE_VAR() definiton
kselftest/arm64: Make the tools/include headers available
tools include: Add some common function attributes
tools compiler.h: Add OPTIMIZER_HIDE_VAR()
kselftest/arm64: Exit streaming mode after collecting signal context
kselftest/arm64: add RCpc load-acquire to hwcap test
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