Update to v5.13 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-5.13

Test: Builds, bionic unit tests.
Change-Id: Ia4360ca4a2808206f64187dcb234d73c5752624b
diff --git a/libc/kernel/uapi/linux/mdio.h b/libc/kernel/uapi/linux/mdio.h
index a38cbfc..4587aa2 100644
--- a/libc/kernel/uapi/linux/mdio.h
+++ b/libc/kernel/uapi/linux/mdio.h
@@ -104,6 +104,8 @@
 #define MDIO_PMA_SPEED_100 0x0020
 #define MDIO_PMA_SPEED_10 0x0040
 #define MDIO_PCS_SPEED_10P2B 0x0002
+#define MDIO_PCS_SPEED_2_5G 0x0040
+#define MDIO_PCS_SPEED_5G 0x0080
 #define MDIO_DEVS_PRESENT(devad) (1 << (devad))
 #define MDIO_DEVS_C22PRESENT MDIO_DEVS_PRESENT(0)
 #define MDIO_DEVS_PMAPMD MDIO_DEVS_PRESENT(MDIO_MMD_PMAPMD)