config.gcc: Add new ARM --with-fpu options.

2009-11-19  Paul Brook  <paul@codesourcery.com>

	gcc/
	* config.gcc: Add new ARM --with-fpu options.
	* doc/invoke.texi: Docuent ARM -mfpu=fpv4-sp-d16.
	* config/arm/arm.c (all_fpus): Add fpv4-sp-d16.

From-SVN: r154328