Update to v6.3 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-6.3

Test: Bionic unit tests pass.
Change-Id: I5270ef291a77343e47ef3a5fbd02b8cacf218ec5
diff --git a/libc/kernel/uapi/scsi/scsi_bsg_fc.h b/libc/kernel/uapi/scsi/scsi_bsg_fc.h
index 2647249..3836282 100644
--- a/libc/kernel/uapi/scsi/scsi_bsg_fc.h
+++ b/libc/kernel/uapi/scsi/scsi_bsg_fc.h
@@ -69,7 +69,7 @@
   __u32 vendor_cmd[];
 };
 struct fc_bsg_host_vendor_reply {
-  __u32 vendor_rsp[0];
+  __DECLARE_FLEX_ARRAY(__u32, vendor_rsp);
 };
 struct fc_bsg_rport_els {
   __u8 els_code;