i3c: master: svc: add hot join support

Add hot join support for svc master controller. Disable hot join by
default.
User can use sysfs entry to enable hot join.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20231201222532.2431484-3-Frank.Li@nxp.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>