msm: kgsl: Dump the A6XX SQE firmware version in the snapshot

Add a debug section with the A6XX SQE firmware version while dumping
the snapshot.

Change-Id: I6fc6b5ec5a962536eadf5597a195aee9c55e16d4
Signed-off-by: Lynus Vaz <lvaz@codeaurora.org>