Add support for family 1Ah-based models 00h-1Fh and 40h-4Fh.

  [ bp: Simplify. ]
Signed-off-by: Avadhut Naik <Avadhut.Naik@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20230809035244.2722455-4-avadhut.naik@amd.com