x86/CPU/AMD: Add more models to X86_FEATURE_ZEN5

Add model ranges starting at 0x20, 0x40 and 0x70 to the synthetic
feature flag X86_FEATURE_ZEN5.

Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20240124220749.2983-1-mario.limonciello@amd.com