cpu/intel/model_206ax: Lock MSR on all cores

Lock MSR MSR_PKG_CST_CONFIG_CONTROL on all cores, not only the one
handling APM_CNT_FINALIZE.

Tested on HP Z220: FWTS no longer reports this as an issue.

Change-Id: I174d6c6c74fbba47992084cc44ebddf84eeeabd1
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39199
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

src/cpu/intel/model_206ax/finalize.c

@@ -25,9 +25,6 @@
 
 void intel_model_206ax_finalize_smm(void)
 {
-	/* Lock C-State MSR */
-	msr_set_bit(MSR_PKG_CST_CONFIG_CONTROL, 15);
-
 	/* Lock AES-NI only if supported */
 	if (cpuid_ecx(1) & (1 << 25))
 		msr_set_bit(MSR_FEATURE_CONFIG, 0);