Fixup readline and sim including of override.m4

Fixup readline and sim including of override.m4

readline/examples/rlfe/:
	* configure.in: m4_include toplevel config/override.m4.
	* configure: Regenerate.

readline/ChangeLog.gdb:
	* configure.in: m4_include toplevel config/override.m4.
	* configure: Regenerate.

sim/:
	* configure.ac: m4_include toplevel config/override.m4.
	* configure: Regenerate.
	* avr/configure: Regenerate.
	* cris/configure: Regenerate.

sim/common/:
	* aclocal.m4: m4_include toplevel config/override.m4.
	* configure: Regenerate.

sim/iq2000/:
	* configure: Regenerate.

sim/d10v/:
	* configure: Regenerate.

sim/igen/:
	* configure: Regenerate.

sim/m32r/:
	* configure: Regenerate.

sim/frv/:
	* configure: Regenerate.

sim/h8300/:
	* configure: Regenerate.

sim/mn10300/:
	* configure: Regenerate.

sim/ppc/:
	* configure: Regenerate.

sim/erc32/:
	* configure: Regenerate.

sim/arm/:
	* configure: Regenerate.

sim/m68hc11/:
	* configure: Regenerate.

sim/lm32/:
	* configure: Regenerate.

sim/sh64/:
	* configure: Regenerate.

sim/v850/:
	* configure: Regenerate.

sim/cr16/:
	* configure: Regenerate.

sim/moxie/:
	* configure: Regenerate.

sim/m32c/:
	* configure: Regenerate.

sim/mips/:
	* configure: Regenerate.

sim/mcore/:
	* configure: Regenerate.

sim/sh/:
	* configure: Regenerate.