UPSTREAM: binder: fix kerneldoc header for struct binder_buffer

Fix the incomplete kerneldoc header for struct binder_buffer.

(cherry pick from commit 7a2670a5bc917e4e7c9be5274efc004f9bd1216a)
Bug: 67668716
Signed-off-by: Todd Kjos <tkjos@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Change-Id: I6bb942e6a9466b02653349943524462f205af839
1 file changed