A couple write attributes in sas transport layer have a small
bug that prevents them from being written to.  Those
attributes are the link_reset and write_reset.  This is due
the store field being set to NULL.
Signed-off-by: NEric Moore <Eric.Moore@lsil.com>
Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>