drm/amd/amdgpu: add rlc_firmware_header_v2_4 to amdgpu_firmware_header

Add missing structure to avoid incorrect size and version check.
Signed-off-by: Chengming Gui <Jack.Gui@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h

@@ -390,6 +390,7 @@ union amdgpu_firmware_header {
 	struct rlc_firmware_header_v2_1 rlc_v2_1;
 	struct rlc_firmware_header_v2_2 rlc_v2_2;
 	struct rlc_firmware_header_v2_3 rlc_v2_3;
+	struct rlc_firmware_header_v2_4 rlc_v2_4;
 	struct sdma_firmware_header_v1_0 sdma;
 	struct sdma_firmware_header_v1_1 sdma_v1_1;
 	struct sdma_firmware_header_v2_0 sdma_v2_0;