drm/amdgpu: enable Vega20 page queue support

Page queue is supported on Vega20 with SDMA firmware
123 onwards.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c

@@ -1458,8 +1458,7 @@ static bool sdma_v4_0_fw_support_paging_queue(struct amdgpu_device *adev)
 		/*return fw_version >= 31;*/
 		return false;
 	case CHIP_VEGA20:
-		/*return fw_version >= 115;*/
-		return false;
+		return fw_version >= 123;
 	default:
 		return false;
 	}