targets/fcdev3b.h: bring back CONFIG_TARGET_FCDEV3B C preprocessor symbol CONFIG_TARGET_FCMODEM is no longer used anywhere in our code base, thus it is being fully retired. OTOH, CONFIG_TARGET_FCDEV3B is being brought back: with our earlier FC modem family idea now being withdrawn in light of the discovery of Tango modules, FCDEV3B goes back to being its own unique target.

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−/************* Revision Controle System Header *************
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− *                  GSM Layer 1 software 
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− *
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− *        Filename tpudrv2.h
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− *  Copyright 2003 (C) Texas Instruments  
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− *
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− *   Copyright (c) Texas Instruments 1996
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− *
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− ************* Revision Controle System Header *************/