* scripttempl/elf32cr16.sc: Emit empty script for ld -r and ld -Ur.

	* scripttempl/elf32cr16.sc: Emit empty script for ld -r and ld -Ur.
	* scripttempl/elf32cr16c.sc: Likewise.
	* scripttempl/elf32crx.sc: Likewise.
	* scripttempl/tic54xcoff.sc: Likewise.
	* scripttempl/aix.sc: Delete ${RELOCATING-0}.
	* scripttempl/avr.sc: Likewise.
	* scripttempl/elf32msp430.sc: Likewise.
	* scripttempl/elf32msp430_3.sc: Likewise.
	* scripttempl/elf32sh-symbian.sc: Likewise.
	* scripttempl/elf_chaos.sc: Likewise.
	* scripttempl/elfi370.sc: Likewise.
	* scripttempl/nw.sc: Likewise.
	* scripttempl/psos.sc: Likewise.
	* scripttempl/armbpabi.sc: Delete ${RELOCATING-0} and ${CONSTRUCTING-0}.
	* scripttempl/elf.sc: Likewise.
	* scripttempl/elf64hppa.sc: Likewise.
	* scripttempl/elfd10v.sc: Likewise.
	* scripttempl/elfd30v.sc: Likewise.
	* scripttempl/elfm68hc11.sc: Likewise.
	* scripttempl/elfm68hc12.sc: Likewise.
	* scripttempl/elfmicroblaze.sc: Likewise.
	* scripttempl/elfxtensa.sc: Likewise.
	* scripttempl/iq2000.sc: Likewise.
	* scripttempl/mep.sc: Likewise.
	* scripttempl/xstormy16.sc: Likewise.