cpu/intel/haswell: convert to using common MP and SMM init

In order to reduce duplication of code use the common MP and SMM
initialization flow.

Change-Id: I80b5b94b62bdd001581eb56513a0d532fffb64e8
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/14596
Tested-by: build bot (Jenkins)
Reviewed-by: Duncan Laurie <dlaurie@google.com>

src/cpu/intel/haswell/haswell.h

@@ -193,14 +193,16 @@ void intel_cpu_haswell_finalize_smm(void);
 /* Configure power limits for turbo mode */
 void set_power_limits(u8 power_limit_1_time);
 int cpu_config_tdp_levels(void);
-/* Returns 0 on success, < 0 on failure. */
-int smm_initialize(void);
+void smm_relocation_handler(int cpu, uintptr_t curr_smbase,
+				uintptr_t staggered_smbase);
+void smm_info(uintptr_t *perm_smbase, size_t *perm_smsize,
+		size_t *smm_save_state_size);
+void smm_initialize(void);
 void smm_relocate(void);
 struct bus;
 void bsp_init_and_start_aps(struct bus *cpu_bus);
 /* Determine if HyperThreading is disabled. The variable is not valid until
  * setup_ap_init() has been called. */
-extern int ht_disabled;
 #endif
 
 /* CPU identification */