x86/CPU/AMD: Add ZenX generations flags

x86/CPU/AMD: Add ZenX generations flags

[ Upstream commit 30fa92832f405d5ac9f263e99f62445fa3084008 ]

Add X86_FEATURE flags for each Zen generation. They should be used from
now on instead of checking f/m/s.

Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Nikolay Borisov <nik.borisov@suse.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Link: http://lore.kernel.org/r/20231120104152.13740-2-bp@alien8.de
Stable-dep-of: c7b2edd8377b ("perf/x86/amd/core: Update and fix stalled-cycles-* events for Zen 2 and later")
Signed-off-by: Sasha Levin <sashal@kernel.org>