re PR libgcc/61152 (Missing GCC Runtime Library Exception in some files that are included in libgcc)

gcc/
	PR libgcc/61152
	* config/dbx.h (License): Add Runtime Library Exception.
	* config/newlib-stdint.h (License): Same.
	* config/rtems.h (License): Same
	* config/initfini-array.h (License): Same
	* config/v850/v850.h (License): Same.
	* config/v850/v850-opts.h (License): Same
	* config/v850/rtems.h (License): Same.

From-SVN: r211004