* support/regression/ports/pic16/specs.mk: removed stack size linker

* support/regression/ports/pic16/specs.mk: removed stack size linker
  directive
* support/regression/tests/array.c,
  support/regression/tests/bitopcse.c,
  support/regression/tests/bug-908454.c,
  support/regression/tests/malloc.c: modified for pic16 regression test
* support/regression/tests/bitfields.c:
  pic16 - excluded bitfileds of size > 8
* support/regression/tests/bp.c: pic16 - reduced data size
* support/regression/tests/bug-221100.c: pic16 - reduced data size
* support/regression/tests/bug-460010.c:
  pic16 - used the absolute address the fits in memory
* support/regression/tests/bug-716242.c:
  bug [ 1443651 ] pic 16: redefining symbol that cannot be redefined.
* support/regression/tests/float.c:
  pic16 - excluded - data size too big
* support/regression/tests/onebyte.c:
  pic16 - bug [ 1444425 ] onebyte.c regression tes fails on pic16
* support/regression/tests/shifts.c:
  pic16 - function names probably have to differ in first X characters
  (gpasm limitation?)
* support/regression/tests/staticinit.c:
  pic16 - excluded some tests due error: no target memory available for
  section ".idata"

git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@4185 4a8a32a2-be11-0410-ad9d-d568d2c75423