Update to v5.15 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-5.15

Test: Builds, and ran bionic unit tests on flame.
Change-Id: I86901ea6d89fb0f7384b90a47bef35d194083c24
diff --git a/libc/kernel/uapi/linux/ethtool_netlink.h b/libc/kernel/uapi/linux/ethtool_netlink.h
index 1507a4f..f4595da 100644
--- a/libc/kernel/uapi/linux/ethtool_netlink.h
+++ b/libc/kernel/uapi/linux/ethtool_netlink.h
@@ -288,6 +288,8 @@
   ETHTOOL_A_COALESCE_TX_USECS_HIGH,
   ETHTOOL_A_COALESCE_TX_MAX_FRAMES_HIGH,
   ETHTOOL_A_COALESCE_RATE_SAMPLE_INTERVAL,
+  ETHTOOL_A_COALESCE_USE_CQE_MODE_TX,
+  ETHTOOL_A_COALESCE_USE_CQE_MODE_RX,
   __ETHTOOL_A_COALESCE_CNT,
   ETHTOOL_A_COALESCE_MAX = (__ETHTOOL_A_COALESCE_CNT - 1)
 };