msm: kgsl: Get resource address from cmd-db driver

Do not hard code resource address in PDC initialization
sequence to avoid incorrect configuration. Instead get
resource address from cmd-db driver.

Change-Id: If2cc8378c1c00304033d726fdb8bd4e8690ef110
Signed-off-by: Hareesh Gundu <hareeshg@codeaurora.org>