Correct -z text and other -z documentation

Correct -z text and other -z documentation

-z text applies to all dynamic binaries, not just shared libraries.
A lot of the other options needed attention too.

	* ld.texinfo (-z): Combine negative options with corresponding
	positive option.  Sort the table.  Expand and correct "combreloc",
	"common", "common-page-size", "interpose", "loadfltr",
	"max-page-size", "muldefs", "nodefaultlib", "nodelete", "nodlopen",
	"nodump", "noextern-protected-data", "now", "origin", and "text".