Update to v5.0 kernel headers.

Test: Builds and boots on taimen.
Change-Id: I13843bf1ab30ea89a50852adc88f2cba8401bded
diff --git a/libc/kernel/uapi/linux/devlink.h b/libc/kernel/uapi/linux/devlink.h
index ead40ad..7c55a0a 100644
--- a/libc/kernel/uapi/linux/devlink.h
+++ b/libc/kernel/uapi/linux/devlink.h
@@ -115,6 +115,10 @@
   __DEVLINK_PARAM_CMODE_MAX,
   DEVLINK_PARAM_CMODE_MAX = __DEVLINK_PARAM_CMODE_MAX - 1
 };
+enum devlink_param_fw_load_policy_value {
+  DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_DRIVER,
+  DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_FLASH,
+};
 enum devlink_attr {
   DEVLINK_ATTR_UNSPEC,
   DEVLINK_ATTR_BUS_NAME,