msm: ipa3: pass address of coal_cmd_pyld to get updated value

Currently coal_cmd_pyld is passed as call by value in
ipa_close_coal_frame method. So value is not updated and
always we get NULL in coal_cmd_pyld. Pass address of
coal_cmd_pyld to get updated value.

Change-Id: I6e22338440be71e5e870b12f7500c97525d9bd93
Signed-off-by: Pooja Kumari <kumarip@codeaurora.org>