Revert "xhci: fix event ring segment table related masks and variables in header"

This reverts commit a646b4e5 which is
commit 8c1cbec9 upstream.

It breaks the Android kernel abi and can be brought back in the future
in an abi-safe way if it is really needed.

Bug: 161946584
Change-Id: I552bc71826944c6b62d67493a684997928d0109f
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>