Update mes_api_def.h to match the latest mes fw.

v2: clean up coding style based on kernel standards:
  - fix indentation and alignment
  - break long lines
  - put the opening brace last on the line
  - remove unnecessary blank line and space
  - replace uint(32|64) with standard uint(32|64)_t
Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>