bcma: don't register devices disabled in OF

Some bus devices can be marked as disabled for specific SoCs or models.
Those should not be registered to avoid probing them.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20251003125126.27950-1-zajec5@gmail.com


Signed-off-by: Johannes Berg <johannes.berg@intel.com>