x86: Add probe_roms to x86_init

probe_roms is only used on 32bit. Add it to the x86_init ops and
remove the #ifdefs.

Default initializer is x86_init_noop() which is overridden in
the 32bit boot code.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
4 files changed