* src/pic/device.c (pic14_assignConfigWordValue): remember assignments to

    config word, "pic14_"-prefixed some extern functions
  (pic14_emitConfigWord): emit __config directive(s) if assignment to
    config word has been found
* src/pic/device.h: added prototypes
* src/pic/pcode.c: added "pic14_"-prefix where needed
* src/pic/ralloc.c (IS_CONFIG_ADDRESS,pic14_assignRegisters): cosmetic fixup
* src/pic/glue.c (pic14_constructAbsMap): handle assignments to config words,
  (pic14emitRegularMap): ignore config words,
  (pic14createInterruptVect): moved generating __config directives away
  (picglue): have __config directives emitted

git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@4119 4a8a32a2-be11-0410-ad9d-d568d2c75423