gas fix for ia64 target

[Nick Clifton]

Hi David,

> Would you be willing to take the attached as a starting point?  I'm 
> not proficient with .texi, but I hope it's not too broken.  The
> c-ia64.texi file is incomplete, but we can expand it over time as
> questions arise (or as we find time).

Thanks very much.  I have checked this in.

Cheers
        Nick

2002-02-25  David Mosberger  <davidm@hpl.hp.com>

	* doc/as.texinfo: Add entry for IA64.
	* doc/c-ia64.texi: New file.