x86: Move common CPU code to its own place

Some of the Intel CPU code is common to several Intel CPUs. Move it into a
common location along with required declarations.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/x86/include/asm/intel_regs.h b/arch/x86/include/asm/intel_regs.h
index 961d2bd..d2a6d26 100644
--- a/arch/x86/include/asm/intel_regs.h
+++ b/arch/x86/include/asm/intel_regs.h
@@ -12,8 +12,17 @@
 #define MCH_BASE_SIZE		0x8000
 #define MCHBAR_REG(reg)		(MCH_BASE_ADDRESS + (reg))
 
+#define MCHBAR_PEI_VERSION	0x5034
+#define MCH_PKG_POWER_LIMIT_LO	0x59a0
+#define MCH_PKG_POWER_LIMIT_HI	0x59a4
+#define MCH_DDR_POWER_LIMIT_LO	0x58e0
+#define MCH_DDR_POWER_LIMIT_HI	0x58e4
+
 /* Access the Root Complex Register Block */
 #define RCB_BASE_ADDRESS	0xfed1c000
 #define RCB_REG(reg)		(RCB_BASE_ADDRESS + (reg))
 
+#define SOFT_RESET_CTRL		0x38f4
+#define SOFT_RESET_DATA		0x38f8
+
 #endif