Add avxifma feature detection on x86

[TianyouLi]

Add avx-ifma detection according to the https://en.wikipedia.org/wiki/CPUID#EAX=7,_ECX=1:_Extended_Features.

[toor1245]

@TianyouLi, could you add test from cpuid dump like this
http://users.atw.hu/instlatx64/AuthenticAMD/AuthenticAMD0A70F52_K19_Phoenix_01_CPUID.txt

OctalCore AMD Ryzen 9 8700G (Phoenix, Zen4 APU, supported: AVX512F/CD/VL/BW/DQ/VNNI/IFMA/VAES/GFNI/VPCLMUL/BITALG/VPOPCNTDQ/VBMI/VBMI2/BF16)

It looks like this CPU supports IFMA

[toor1245]

@Mizux, JFYI tests failed

12 0.167 QEMU_VERSION: 7.1.0
#12 0.167 QEMU_TARGET: aarch64-linux-user
#12 0.169 Downloading http://wiki.qemu-project.org/download/qemu-7.1.0.tar.xz...
#12 135.7 failed: Connection timed out.
#12 270.9 failed: Connection timed out.
#12 408.1 failed: Connection timed out.
#12 [54](https://github.com/google/cpu_features/actions/runs/9476145037/job/26117571709?pr=352#step:4:55)5.3 failed: Connection timed out.
#12 684.6 failed: Connection timed out.
#12 823.8 failed: Connection timed out.
#12 963.1 failed: Connection timed out.
#12 1104.4 failed: Connection timed out.
#12 1245.7 failed: Connection timed out.
#12 1389.1 failed: Connection timed out.
#12 1532.4 failed: Connection timed out.
#12 1675.8 failed: Connection timed out.
#12 1819.2 failed: Connection timed out.
#12 19[62](https://github.com/google/cpu_features/actions/runs/9476145037/job/26117571709?pr=352#step:4:63).5 failed: Connection timed out.
#12 2105.9 failed: Connection timed out.
#12 2249.2 failed: Connection timed out.
#12 2392.6 failed: Connection timed out.
#12 2536.0 failed: Connection timed out.
#12 2[67](https://github.com/google/cpu_features/actions/runs/9476145037/job/26117571709?pr=352#step:4:68)9.3 failed: Connection timed out.
#12 2822.7 failed: Connection timed out.
#12 ERROR: process "/bin/sh -c ./scripts/run_integration.sh qemu" did not complete successfully: exit code: 4