soc: qcom: hgsl: Skip DBQ memory initialization

DBQ should not be reinitialized when hgsl starts and should rely on HOST
do reset at allocation. This fix can address the failure case
under GVM restart scenario.

Change-Id: I5c430198efc0e62b527b16a3400684a5ad9d77d3
Signed-off-by: Thomas (Wonyoung) Yun <wyun@codeaurora.org>
Signed-off-by: Jie Feng <jiefeng@codeaurora.org>