soc: qcom: glink: Best Fit approach to find intent

Using first fit algorithm to select the remote rx intent from the
list is not optimal way.

Optimize the selection of intent from list using the best fit algorithm.

CRs-Fixed: 1058750
Change-Id: I7b2a70188975b75a0fbcd2a6cb26f28cc0258532
Signed-off-by: Dhoat Harpal <hdhoat@codeaurora.org>