Options initialization rearrangement

[Richard Sandiford]

"Joseph S. Myers" <joseph@codesourcery.com> writes:
> 	* configure.ac (tm_include_list): Include flags.h instead of
> 	options.h.

Not sure if you're already aware, but this change breaks the build
for MIPS.  flags.h includes some state that is in the target_flag_state
structure, but SWITCHABLE_TARGET is no longer defined appropriately.
I suppose target_flag_state now belongs in a different header file.

Richard