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: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
 #define SETUP_TEMPLATE(attrb, field, perm, test)                               \
        i->private_##attrb[count] = class_device_attr_##field;          \
        i->private_##attrb[count].attr.mode = perm;                     \
-       i->private_##attrb[count].store = NULL;                         \
        i->attrb[count] = &i->private_##attrb[count];                   \
        if (test)                                                       \
                count++