* libc/sys/arm/Makefile.am (lib_a_SOURCES): Add aeabi_memclr.c,
    	aeabi_memcpy.c, aeabi_memmove.c and aeabi_memset.c.
    	* libc/sys/arm/Makefile.in: Regenerate.
    	* libc/sys/arm/aeabi.h: New file.
    	* libc/sys/arm/aeabi_memclr.c: New file.
    	* libc/sys/arm/aeabi_memcpy.c: New file.
    	* libc/sys/arm/aeabi_memmove.c: New file.
    	* libc/sys/arm/aeabi_memset.c: New file.