* 1750a.h, a29k.h, arc.h, arm.h, c4x.h, clipper.h, cris.h, d30v.h,
	dsp16xx.h, fr30.h, h8300.h, i370.h, i386.h, i860.h, i960.h,
	m32r.h, m68hc11.h, m68k.h, m88k.h, mcore.h, mmix.h, mn10300.h,
	ns32k.h, pa.h, pdp11.h, pj.h, romp.h, s390.h, stormy16.h,
	v850.h, vax.h, we32k.h, xtensa.h (POINTER_SIZE): Delete.
	* defaults.h (POINTER_SIZE): Define.
	* doc/tm.texi (POINTER_SIZE): Document default.

From-SVN: r50634