soc: qcom: glink_bgcom_xprt: Use single pointer for bg apis

Glink is calling bgcom_suspend and bgcom_resume with double pointer of
handle. This creates confusion since other bgcom apis are called with
single pointer.

Use single pointer of handle for bgcom_suspend and bgcom_resume APIs.

CRs-Fixed: 2171277
Change-Id: I1c06f84bfdb9996bce64432a40b0560a1e385f9d
Signed-off-by: Dhoat Harpal <hdhoat@codeaurora.org>