msm: ipa: Add ability to set client SRAM filtering rules priority as high

Add IOCTL for setting a client's SRAM filtering rules priority as high.
This enables to enhance a specific client's performance.

Change-Id: I47b10334209da70aa401aad578199b68eddc6c87
Acked-by: Eliad Ben Yishay <ebenyish@qti.qualcomm.com>
Signed-off-by: Ilia Lin <ilialin@codeaurora.org>