soc: qcom: spcom: pr_fmt to print function name

CTS failed on Lahaina due to absence of function name in the driver print.
This change adds function name to each driver print.

Change-Id: I2603c460e77578e7a56553a92058cc1b463c11c0
Signed-off-by: Konstantin Dorfman <kdorfman@codeaurora.org>