msm: kgsl: Remove legacy platform probe table

Remove the legacy platform id_table and just rely on the standard
of_match_table instead. Use the standard macro for specifying
the match table pointer and set the MODULE_DEVICE_TABLE.

Change-Id: Ic0dedbad84f80b28d1885a7326324eb67ef97d9b
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>