* emulparams/arm_epoc_pe.sh: Remove ENTRY.
        * emulparams/arm_wince_pe.sh: Likewise.
        * emulparams/i386pe.sh: Likewise.
        * emulparams/i386pe_posix.sh: Likewise.
        * emulparams/mcorepe.sh: Likewise.
        * emulparams/mipspe.sh: Likewise.
        * emulparams/ppcpe.sh: Likewise.
        * emulparams/armpe.sh: Likewise.
        * emulparams/i386pep.sh: Likewise.
        * emulparams/shpe.sh: Likewise.
        Additionally cleaned up double-defined
        variables SUBSYSTEM and INITIAL_SYMBOL_CHAR.
        * emultempl/pe.em: Remove use of ENTRY.
        (pe_subsystem): New local variable.
        (gld_XXX_before_parse): Don't set default
        entry point here.
        (set_entry_point): New function to set entry
        point.
        (set_pe_subsystem): Remove code for entry point.
        (gld_XXX_after_parse): Use set_entry_point here.
        * emultempl/pep.em: Likewise.