msm: ipa: Fix to pass ioctl param to reset_stats

Make change to pass the iotcl param to reset_stats
instead of NULL to avoid NULL pointer access.

Change-Id: Ie5fe6d3dd530ac2efc0fe670cccd20b9a2fbe968
Acked-by: Chaitanya Pratapa <cpratapa@qti.qualcomm.com>
Signed-off-by: Utkarsh Saxena <usaxena@codeaurora.org>