Update to v6.0 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-6.0

Test: Boots on coral.
Test: Bionic unit tests pass.
Change-Id: I282de83f23b432bef58214108a93700bdadddf0f
diff --git a/libc/kernel/uapi/linux/if_ether.h b/libc/kernel/uapi/linux/if_ether.h
index bd8e045..d35509e 100644
--- a/libc/kernel/uapi/linux/if_ether.h
+++ b/libc/kernel/uapi/linux/if_ether.h
@@ -97,6 +97,7 @@
 #define ETH_P_QINQ3 0x9300
 #define ETH_P_EDSA 0xDADA
 #define ETH_P_DSA_8021Q 0xDADB
+#define ETH_P_DSA_A5PSW 0xE001
 #define ETH_P_IFE 0xED3E
 #define ETH_P_AF_IUCV 0xFBFB
 #define ETH_P_802_3_MIN 0x0600