svc: Send serial-number on hotplug event
svc: Send serial-number on hotplug event

Two exactly same modules can be uniquely identified using module's
serial-number. This patch updates the interface hotplug event to also
send the serial-number of the module, and the dummy value chosen for it
is 0x1234.

Signed-off-by: Viresh Kumar <5ff32272b3d9f86512eddc8e0af523fc6f7924e5@linaro.org>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@google.com>

gregkh/gbsim,gregkh/gbsim,projectara/gbsim,projectara/gbsim