drm/amdgpu/swsmu: update driver if version for dimgrey_cavefish(v2)

Per PMFW 59.5.0.

v2: refine subject and commit message, fix typo

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Jiansong Chen <Jiansong.Chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>