[EXPORT][GCC_ARM] additional linker option for wrap main

Most makefile templates didn't use the -Wl,--wrap,main so that
__wrap_main was not called.
[EXPORT][GCC_ARM] additional linker option for wrap main

Most makefile templates didn't use the -Wl,--wrap,main so that
__wrap_main was not called.
Merge pull request #730 from ohagendorf/make_wrap_main_2

Tools: Exporter for GCC_ARM - additional linker option for wrap main