Commented out the body of bool MODSERIAL::claim (FILE *stream) since it causes problems with the latest mbed library

Dependents:   ATT_Cellular_IOT_Button Avnet_ATT_Cellular_Pubnub Hiking_Pal Avnet_ATT_Cellular_IOT ... more

Fork of MODSERIAL by Erik -

Device/MODSERIAL_PAC_F401RB.cpp/shortlog@ae4c4f174d1f: not found in manifest