[RTEMS] Add GCC Runtime Library Exception

[RTEMS] Add GCC Runtime Library Exception

gcc/

	PR libgcc/61152
	* config/aarch64/rtems.h: Add GCC Runtime Library Exception.
	Format changes.
	* config/arm/rtems.h: Likewise.
	* config/bfin/rtems.h: Likewise.
	* config/i386/rtemself.h: Likewise.
	* config/lm32/rtems.h: Likewise.
	* config/m32c/rtems.h: Likewise.
	* config/m68k/rtemself.h: Likewise.
	* config/microblaze/rtems.h: Likewise.
	* config/mips/rtems.h: Likewise.
	* config/moxie/rtems.h: Likewise.
	* config/nios2/rtems.h: Likewise.
	* config/powerpcspe/rtems.h: Likewise.
	* config/rs6000/rtems.h: Likewise.
	* config/rtems.h: Likewise.
	* config/sh/rtems.h: Likewise.
	* config/sh/rtemself.h: Likewise.
	* config/sparc/rtemself.h: Likewise.

From-SVN: r250500