[ALPS08691365] cmdq: dump pkt when usage = 0

[Description]
dump pkt when
1. usage = 0, flush task
2. busy task has task when disabl

[Test]
lowpower pdas / fastcuva / aging / mmdvfs stress

MTK-Commit-Id: 7c4f8848d8ee19499ef3e349e7d03a4473d4cf25

Signed-off-by: Victor Zheng <zi-xuan.zheng@mediatek.com>
CR-Id: ALPS08691365
Feature: cmdq_gce
Change-Id: Ic9a2bf69b83c82575ff55c30e7d4a8f43688e6f3