msm: kgsl: Query xo resource addr from cmd-db driver

Instead of hardcoding XO resource address in the PDC
initialization sequence, query it from cmd-db driver
to avoid conflict with other resources when it was
hard coded incorrectly.

Change-Id: Icbe903249345f82c8208ce066a22b55a957ee289
Signed-off-by: Hareesh Gundu <hareeshg@codeaurora.org>