drm/amdgpu: prevent toc firmware memory leak

It's missed in psp fini.
Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -486,11 +486,14 @@ static int psp_sw_fini(void *handle)
 		release_firmware(psp->ta_fw);
 		psp->ta_fw = NULL;
 	}
-	if (adev->psp.cap_fw) {
+	if (psp->cap_fw) {
 		release_firmware(psp->cap_fw);
 		psp->cap_fw = NULL;
 	}
-
+	if (psp->toc_fw) {
+		release_firmware(psp->toc_fw);
+		psp->toc_fw = NULL;
+	}
 	if (adev->ip_versions[MP0_HWIP][0] == IP_VERSION(11, 0, 0) ||
 	    adev->ip_versions[MP0_HWIP][0] == IP_VERSION(11, 0, 7))
 		psp_sysfs_fini(adev);