soc: qcom: service-locator: Update incorrect usage of qmi_send_req_wait

qmi_send_req_wait expects timeout argument to be passed in ms and not
in jiffies. Update the call in service-locator to pass in the correct
argument.

Change-Id: Ib2f8deedf2fb2a561c30b0c8511bb1edd5a37361
Signed-off-by: Kyle Yan <kyan@codeaurora.org>