soc: qcom: glink: Add performance logs for off-target profiling

1) Add the performance logs to enable off-target profiling of GLINK.
2) Reduce the severity of certain log messages from performance to info.

Change-Id: I552b245250d09dd34c8706e6e540da7dcc9170cd
Signed-off-by: Eric Holmberg <eholmber@codeaurora.org>
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@codeaurora.org>