drm/amdgpu/si: load the proper firmware on 0x87 oland boards

New variant.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

drivers/gpu/drm/amd/amdgpu/si_dpm.c

@@ -7716,6 +7716,7 @@ static int si_dpm_init_microcode(struct amdgpu_device *adev)
 		    (adev->pdev->revision == 0x80) ||
 		    (adev->pdev->revision == 0x81) ||
 		    (adev->pdev->revision == 0x83) ||
+		    (adev->pdev->revision == 0x87) ||
 		    (adev->pdev->device == 0x6604) ||
 		    (adev->pdev->device == 0x6605))
 			chip_name = "oland_k";