* libc/macine/arm/strcpy.S: Explicitly set build attributes when
building for thumb1 targets.
	* configure.in (--enable-newlib-nano-malloc): New option.
	* configure: Regenerated.
	* libc/configure.in (--enable-newlib-nano-malloc): New option.
	* libc/configure: Regenerated.
	* libc/stdlib/Makefile.am (NEWLIB_NANO_MALLOC): Use.
	* libc/stdlib/Makefile.in: Regenerated.
	* libc/stdlib/nano-mallocr.c: New file, implementing nano
	version malloc family functions.