EDAC/amd64: Generate ctl_name string at runtime

EDAC/amd64: Generate ctl_name string at runtime

Currently, the ctl_name string is statically assigned based on the family and
model of the SOC when the amd64_edac module is loaded.

The same, however, is not exactly needed as the string can be generated and
assigned at runtime through scnprintf().

Remove all static assignments and generate the string at runtime. Also,
cleanup the switch cases which became defunct and consolidate identical cases.

Signed-off-by: Avadhut Naik <avadhut.naik@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/20251106015727.1987246-1-avadhut.naik@amd.com