* src/pic16/device.c (pic16_dump_usection): do not reserve 0 bytes,

* src/pic16/device.c (pic16_dump_usection): do not reserve 0 bytes,
  as this raises a ton of gpasm warnings, just emit a second label
* src/pic16/devices.inc,
* device/lib/pic16/pics.all,
* device/lib/pic16/libdev/pic18f2585.c,
* device/lib/pic16/libdev/pic18f2680.c,
* device/lib/pic16/libdev/pic18f2682.c,
* device/lib/pic16/libdev/pic18f2685.c,
* device/lib/pic16/libdev/pic18f4585.c,
* device/lib/pic16/libdev/pic18f4680.c,
* device/lib/pic16/libdev/pic18f4682.c,
* device/lib/pic16/libdev/pic18f4685.c,
* device/include/pic16/pic18f2585.h,
* device/include/pic16/pic18f2680.h,
* device/include/pic16/pic18f2682.h,
* device/include/pic16/pic18f2685.h,
* device/include/pic16/pic18f4585.h,
* device/include/pic16/pic18f4680.h,
* device/include/pic16/pic18f4682.h,
* device/include/pic16/pic18f4685.h,
* device/include/pic16/pic18fregs.h: added 18f2585, 18f2680,
  18f2682, 18f2685, 18f4585, 18f4680, 18f4682, 18f4685,
  patch contributed by Anton Strobl, applied with changes

git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@4915 4a8a32a2-be11-0410-ad9d-d568d2c75423