Merge tag 'pull-tcg-20240703' of https://gitlab.com/rth7680/qemu into staging

util: cpuinfo portability fixes for FreeBSD and OpenBSD
util: cpuinfo for riscv host
tcg/optimize: Fix TCG_COND_TST* simplification of setcond2

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# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
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* tag 'pull-tcg-20240703' of https://gitlab.com/rth7680/qemu:
  tcg/optimize: Fix TCG_COND_TST* simplification of setcond2
  util/cpuinfo-riscv: Use linux __riscv_hwprobe syscall
  util/cpuinfo-riscv: Support OpenBSD signal frame
  util/cpuinfo-riscv: Support host/cpuinfo.h for riscv
  util/cpuinfo-aarch64: Add OpenBSD support
  util/cpuinfo-ppc: Add FreeBSD support
  util/cpuinfo-ppc: Fix building on OpenBSD

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>