configure, meson: move AVX tests to meson

For consistency with other tests, --enable-avx2 and --enable-avx512f
fail to compile on x86 systems if cpuid.h is not available.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/scripts/meson-buildoptions.sh b/scripts/meson-buildoptions.sh
index 48a454c..dcfc39e 100644
--- a/scripts/meson-buildoptions.sh
+++ b/scripts/meson-buildoptions.sh
@@ -26,6 +26,8 @@
   printf "%s\n" '  alsa            ALSA sound support'
   printf "%s\n" '  attr            attr/xattr support'
   printf "%s\n" '  auth-pam        PAM access control'
+  printf "%s\n" '  avx2            AVX2 optimizations'
+  printf "%s\n" '  avx512f         AVX512F optimizations'
   printf "%s\n" '  bpf             eBPF support'
   printf "%s\n" '  brlapi          brlapi character device driver'
   printf "%s\n" '  bzip2           bzip2 support for DMG images'
@@ -109,6 +111,10 @@
     --disable-attr) printf "%s" -Dattr=disabled ;;
     --enable-auth-pam) printf "%s" -Dauth_pam=enabled ;;
     --disable-auth-pam) printf "%s" -Dauth_pam=disabled ;;
+    --enable-avx2) printf "%s" -Davx2=enabled ;;
+    --disable-avx2) printf "%s" -Davx2=disabled ;;
+    --enable-avx512f) printf "%s" -Davx512f=enabled ;;
+    --disable-avx512f) printf "%s" -Davx512f=disabled ;;
     --enable-bpf) printf "%s" -Dbpf=enabled ;;
     --disable-bpf) printf "%s" -Dbpf=disabled ;;
     --enable-brlapi) printf "%s" -Dbrlapi=enabled ;;