Update to v6.4 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-6.4

Test: Bionic unit tests pass.
Change-Id: I991f8eaa2b272a464166addb13e6bdc63734444d
diff --git a/libc/kernel/uapi/linux/ethtool_netlink.h b/libc/kernel/uapi/linux/ethtool_netlink.h
index f1ef896..246ab8a 100644
--- a/libc/kernel/uapi/linux/ethtool_netlink.h
+++ b/libc/kernel/uapi/linux/ethtool_netlink.h
@@ -277,6 +277,8 @@
   ETHTOOL_A_RINGS_CQE_SIZE,
   ETHTOOL_A_RINGS_TX_PUSH,
   ETHTOOL_A_RINGS_RX_PUSH,
+  ETHTOOL_A_RINGS_TX_PUSH_BUF_LEN,
+  ETHTOOL_A_RINGS_TX_PUSH_BUF_LEN_MAX,
   __ETHTOOL_A_RINGS_CNT,
   ETHTOOL_A_RINGS_MAX = (__ETHTOOL_A_RINGS_CNT - 1)
 };
@@ -576,7 +578,7 @@
   ETHTOOL_A_STATS_GRP_HIST_BKT_HI,
   ETHTOOL_A_STATS_GRP_HIST_VAL,
   __ETHTOOL_A_STATS_GRP_CNT,
-  ETHTOOL_A_STATS_GRP_MAX = (__ETHTOOL_A_STATS_CNT - 1)
+  ETHTOOL_A_STATS_GRP_MAX = (__ETHTOOL_A_STATS_GRP_CNT - 1)
 };
 enum {
   ETHTOOL_A_STATS_ETH_PHY_5_SYM_ERR,