Update to v5.8 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-5.8

Test: NA
Change-Id: I2231c877589820fc09800a200cf4ac62ba74b04c
diff --git a/libc/kernel/uapi/linux/ethtool.h b/libc/kernel/uapi/linux/ethtool.h
index 8733bca..9f8678a 100644
--- a/libc/kernel/uapi/linux/ethtool.h
+++ b/libc/kernel/uapi/linux/ethtool.h
@@ -709,6 +709,17 @@
 #define DUPLEX_HALF 0x00
 #define DUPLEX_FULL 0x01
 #define DUPLEX_UNKNOWN 0xff
+#define MASTER_SLAVE_CFG_UNSUPPORTED 0
+#define MASTER_SLAVE_CFG_UNKNOWN 1
+#define MASTER_SLAVE_CFG_MASTER_PREFERRED 2
+#define MASTER_SLAVE_CFG_SLAVE_PREFERRED 3
+#define MASTER_SLAVE_CFG_MASTER_FORCE 4
+#define MASTER_SLAVE_CFG_SLAVE_FORCE 5
+#define MASTER_SLAVE_STATE_UNSUPPORTED 0
+#define MASTER_SLAVE_STATE_UNKNOWN 1
+#define MASTER_SLAVE_STATE_MASTER 2
+#define MASTER_SLAVE_STATE_SLAVE 3
+#define MASTER_SLAVE_STATE_ERR 4
 #define PORT_TP 0x00
 #define PORT_AUI 0x01
 #define PORT_MII 0x02
@@ -808,7 +819,9 @@
   __u8 eth_tp_mdix_ctrl;
   __s8 link_mode_masks_nwords;
   __u8 transceiver;
-  __u8 reserved1[3];
+  __u8 master_slave_cfg;
+  __u8 master_slave_state;
+  __u8 reserved1[1];
   __u32 reserved[7];
   __u32 link_mode_masks[0];
 };