Rearranged HK_MWSE_20 mapping to add AILR_IN. Note that this deviates from the MultiiWii mapping slightly (w.r.t AUX1 and AUX2).

HK MultiWii SE 2.0 support

    Pin Mapping:
    D2 = AUX_IN
    D4 = AIL_IN
    D5 = ELE_IN
    D6 = RUD_IN
    D7 = AILR_IN
    D8 = AUX2_IN

    D9 = AIL_OUT
    D10 = ELE_OUT
    D11 = RUD_OUT
    D12 = AILR_OUT

    If CPPM enabled :
    D8 CPPM_IN
    D5 FLAP_OUT
    D6_THR_OUT (please conduct safety check on any THROTTLE connection!!)