drm/amdgpu: initilize vega12 psp firmwares

Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Acked-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/psp_v3_1.c

@@ -109,6 +109,9 @@ static int psp_v3_1_init_microcode(struct psp_context *psp)
 	case CHIP_VEGA10:
 		chip_name = "vega10";
 		break;
+	case CHIP_VEGA12:
+		chip_name = "vega12";
+		break;
 	default: BUG();
 	}