x86: Use a common definition of MSR_IA32_PERF_CTL

Remove the duplicate definition as it is not needed.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/x86/cpu/intel_common/cpu.c b/arch/x86/cpu/intel_common/cpu.c
index 9357626..3a0d505 100644
--- a/arch/x86/cpu/intel_common/cpu.c
+++ b/arch/x86/cpu/intel_common/cpu.c
@@ -116,7 +116,7 @@
 {
 	msr_t msr;
 
-	msr = msr_read(IA32_PERF_CTL);
+	msr = msr_read(MSR_IA32_PERF_CTL);
 	info->cpu_freq = ((msr.lo >> 8) & 0xff) * bclk * 1000000;
 	info->features = 1 << CPU_FEAT_L1_CACHE | 1 << CPU_FEAT_MMU |
 		1 << CPU_FEAT_UCODE | 1 << CPU_FEAT_DEVICE_ID;