EM4 and EM6 linker script
9000691858 Remove C++ template 9000688344 Linker
9000692256 Allow disabling of COM port in IDE
Fix external tools path bug
9000692872, 9000692256 and xml clean up
change "assembler" for C and C++ to arc-elf-gcc
feature.xml cleanup
remove whitespace at the end of Provider name
remove c compiler from c++ project settings
STAR 9000688344: Use correct linker script for all templates

Include latest version of linker script and crt0.S file into EM4, EM6 and
Hello world templates.

Signed-off-by: Anton Kolesov <anton.kolesov@synopsys.com>