msm: sps: output BAM register dump to IPC log only

Outputting BAM register dump to kernel log could consume
significant resource when the amount of registers is big. The
change here is to output BAM register dump to IPC log only as long
as IPC logging is enabled in the build.

Change-Id: Ibbd31bb2e97785008117c56da250beddbd75d958
Signed-off-by: Yan He <yanhe@codeaurora.org>