x86: Rename turbo ratio MSR to MSR_TURBO_RATIO_LIMIT

This MSR number is used on most modern Intel processors, so drop the
confusing NHM prefix (which might mean Nehalem).

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
[bmeng: drop MSR_IVT_TURBO_RATIO_LIMIT as no code uses it]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index 1a02d8c..6cb5870 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -101,8 +101,7 @@
 #define MSR_OFFCORE_RSP_1		0x000001a7
 #define MSR_MISC_PWR_MGMT		0x1aa
 #define  MISC_PWR_MGMT_EIST_HW_DIS	(1 << 0)
-#define MSR_NHM_TURBO_RATIO_LIMIT	0x000001ad
-#define MSR_IVT_TURBO_RATIO_LIMIT	0x000001ae
+#define MSR_TURBO_RATIO_LIMIT		0x000001ad
 
 #define MSR_IA32_ENERGY_PERFORMANCE_BIAS	0x1b0
 #define  ENERGY_POLICY_PERFORMANCE	0