arch/x86/Kconfig: clean up, experimental adjustement
arch/x86/Kconfig: clean up, experimental adjustement

Adjust experimental tags in Kconfig, update config to notice that
i386/x86_64 is now single architecture.

Signed-off-by: Pavel Machek <2375fa63e2908bb2df59f606483a3aa92321db7a@suse.cz>
Signed-off-by: Ingo Molnar <9dbbbf0688fedc85ad4da37637f1a64b8c718ee2@elte.hu>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas