msm: kgsl: skip if requested address doesn't fall in the svm range

User should not be provided address out of SVM region.
Return error for any such requests from user.

Change-Id: If149044039b156f8192f405714f5c1a0571004e7
Signed-off-by: gkiranku <gkiranku@codeaurora.org>
Signed-off-by: Rohan Sethi <rohsethi@codeaurora.org>