rilmodem: Fix SIM Pin handling regression (LP: #1363413)

The function __ofono_sim_recheck_pin() was being called before
the sim_status_cb() function set the new passwd_state.  This
caused enter-pin operations to fail the first time.
Merge pull request #115 from tonyespy/lp1363413

rilmodem: Fix SIM Pin handling regression (LP: #1363413)