Att data structure passed to read_type callback wasn't set properly
with connection data. This cause parsing att struct set to 0 (casted
in cb, set in att_read_type_rsp). Wrong att data caused parsing wrong
mtu size and whole conn structure.
Change-Id: Ib0aa4b8edca4965afd746e7186a08cfa34e62cf3
Signed-off-by: Grzegorz Kolodziejczyk <grzegorz.kolodziejczyk@tieto.com>