soc: qcom: smp2p: Log unchanged entries

Move log statement so unchanged entries are logged. This increases log
spam to the ipc logging buffer but helps catch issues where a smp2p
interrupt is missed.

Change-Id: I695c324deec13b7a82b4838a1fc91fef594f7f8b
Signed-off-by: Chris Lew <clew@codeaurora.org>