soc: qcom: eud: Do not fail the EUD probe for secure device

TCSR register scm write is configured to fail for secure device.
This results in eud probe failure. As dwc3 driver's probe is
dependent on eud probe to be successful, ignore the register
write failure.

Change-Id: I3dc658bd89d2dacb636532d4b08b9aa3986a62e6
Signed-off-by: Shadab Naseem <snaseem@codeaurora.org>