x86: Move get/find_smp_config to x86_init_ops

Replace the quirk machinery by a x86_init_ops function which defaults
to the standard implementation.

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

arch/x86/kernel/setup.c

@@ -981,13 +981,11 @@ void __init setup_arch(char **cmdline_p)
 	 */
 	acpi_boot_init();
 
-#if defined(CONFIG_X86_MPPARSE) || defined(CONFIG_X86_VISWS)
 	/*
 	 * get boot-time SMP configuration:
 	 */
 	if (smp_found_config)
 		get_smp_config();
-#endif
 
 	prefill_possible_map();