Update to v5.14 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-5.14

Test: Builds, bionic unit tests.
Change-Id: Iff3424da9fbf7ae89ebeb6daabb34c4aa650901f
diff --git a/libc/kernel/uapi/linux/ethtool_netlink.h b/libc/kernel/uapi/linux/ethtool_netlink.h
index 3ac2cd3..1507a4f 100644
--- a/libc/kernel/uapi/linux/ethtool_netlink.h
+++ b/libc/kernel/uapi/linux/ethtool_netlink.h
@@ -53,6 +53,7 @@
   ETHTOOL_MSG_FEC_SET,
   ETHTOOL_MSG_MODULE_EEPROM_GET,
   ETHTOOL_MSG_STATS_GET,
+  ETHTOOL_MSG_PHC_VCLOCKS_GET,
   __ETHTOOL_MSG_USER_CNT,
   ETHTOOL_MSG_USER_MAX = __ETHTOOL_MSG_USER_CNT - 1
 };
@@ -91,6 +92,7 @@
   ETHTOOL_MSG_FEC_NTF,
   ETHTOOL_MSG_MODULE_EEPROM_GET_REPLY,
   ETHTOOL_MSG_STATS_GET_REPLY,
+  ETHTOOL_MSG_PHC_VCLOCKS_GET_REPLY,
   __ETHTOOL_MSG_KERNEL_CNT,
   ETHTOOL_MSG_KERNEL_MAX = __ETHTOOL_MSG_KERNEL_CNT - 1
 };
@@ -330,6 +332,14 @@
   ETHTOOL_A_TSINFO_MAX = (__ETHTOOL_A_TSINFO_CNT - 1)
 };
 enum {
+  ETHTOOL_A_PHC_VCLOCKS_UNSPEC,
+  ETHTOOL_A_PHC_VCLOCKS_HEADER,
+  ETHTOOL_A_PHC_VCLOCKS_NUM,
+  ETHTOOL_A_PHC_VCLOCKS_INDEX,
+  __ETHTOOL_A_PHC_VCLOCKS_CNT,
+  ETHTOOL_A_PHC_VCLOCKS_MAX = (__ETHTOOL_A_PHC_VCLOCKS_CNT - 1)
+};
+enum {
   ETHTOOL_A_CABLE_TEST_UNSPEC,
   ETHTOOL_A_CABLE_TEST_HEADER,
   __ETHTOOL_A_CABLE_TEST_CNT,