soc: qcom: qmi_interface: Fix race between net_reset and release

qmi client calling qmi_handle_release while handling net_reset cause
NULL pointer access.

Synchronize the net_reset handling with qmi_handle_release to avoid
memory leak and invalid pointer access.

CRs-Fixed: 2383987
Change-Id: I8179f96e5dfabe945b1a37f83530bc3b05ed746a
Signed-off-by: Arun Kumar Neelakantam <aneela@codeaurora.org>