intel: Replace msr(0x198) with msr(IA32_PERF_STATUS)

Change-Id: I22241427d1405de2e2eb2b3cfb029f3ce2c8dace
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/22585
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>

src/cpu/intel/model_6fx/model_6fx_init.c

@@ -94,7 +94,7 @@ static void configure_misc(void)
 	wrmsr(IA32_MISC_ENABLE, msr);
 
 	// set maximum CPU speed
-	msr = rdmsr(IA32_PERF_STS);
+	msr = rdmsr(IA32_PERF_STATUS);
 	int busratio_max = (msr.hi >> (40-32)) & 0x1f;
 
 	msr = rdmsr(IA32_PLATFORM_ID);