msm: kgsl: Make sure the last IB2 is in the static snapshot region

When taking a snapshot from a ramdump it is usually important that
we get the last IB2 that was executed so if we find it during
parsing put it in the static snapshot region as opposed to the
dynamic one.

Change-Id: Ic0dedbad878b961ebe29afe9145443e9bfd0bc6a
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>