* link/z80/lkmain.c (afile): allow periods in directory names

* link/z80/lkmain.c (afile): allow periods in directory names
* link/z80/lkmain.c (afile),
* as/mcs51/lkmain.c (afile),
* as/hc08/lkmain.c (afile): allow linker script file to have an
extension other than ".lnk"
* link/z80/lklex.c (getfid),
* link/z80/lkmain.c (parse),
* as/mcs51/lklex.c (getfid),
* as/mcs51/lkmain.c (parse),
* as/hc08/lklex.c (getfid),
* as/hc08/lkmain.c (parse): Support comments in the linker script
file on lines by themselves and after filenames

git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@3295 4a8a32a2-be11-0410-ad9d-d568d2c75423