Revert "model_206ax: Use parallel MP init"

This reverts commit 5fbe788bae.
This commit was submitted without its parent being submitted,
resulting in coreboot not building.

Change-Id: I87497093ccf6909b88e3a40d5f472afeb7f2c552
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/25616
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>

src/cpu/intel/model_2065x/model_2065x.h

@@ -91,6 +91,7 @@ void intel_model_2065x_finalize_smm(void);
 /* Configure power limits for turbo mode */
 void set_power_limits(u8 power_limit_1_time);
 int cpu_config_tdp_levels(void);
+void smm_relocate(void);
 #endif
 
 #endif