Update to v6.8 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-6.8

Test: Builds and bionic unit tests pass on raven.
Test: Able to log in to an Android GO 32 bit device.
Change-Id: I0022cdb20c19726f526acaab2866f1e25794b77e
diff --git a/libc/kernel/uapi/linux/virtio_config.h b/libc/kernel/uapi/linux/virtio_config.h
index 520a472..021845c 100644
--- a/libc/kernel/uapi/linux/virtio_config.h
+++ b/libc/kernel/uapi/linux/virtio_config.h
@@ -14,7 +14,7 @@
 #define VIRTIO_CONFIG_S_NEEDS_RESET 0x40
 #define VIRTIO_CONFIG_S_FAILED 0x80
 #define VIRTIO_TRANSPORT_F_START 28
-#define VIRTIO_TRANSPORT_F_END 41
+#define VIRTIO_TRANSPORT_F_END 42
 #ifndef VIRTIO_CONFIG_NO_LEGACY
 #define VIRTIO_F_NOTIFY_ON_EMPTY 24
 #define VIRTIO_F_ANY_LAYOUT 27
@@ -29,4 +29,5 @@
 #define VIRTIO_F_NOTIFICATION_DATA 38
 #define VIRTIO_F_NOTIF_CONFIG_DATA 39
 #define VIRTIO_F_RING_RESET 40
+#define VIRTIO_F_ADMIN_VQ 41
 #endif