x86: ivybridge: Add early init for PCH devices

Many PCH devices are hard-coded to a particular PCI address. Set these
up early in case they are needed.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/x86/include/asm/post.h b/arch/x86/include/asm/post.h
index b203dc9..61dcda1 100644
--- a/arch/x86/include/asm/post.h
+++ b/arch/x86/include/asm/post.h
@@ -25,6 +25,8 @@
 #define POST_START_STACK	0x29
 #define POST_START_DONE		0x2a
 #define POST_CPU_INIT		0x2b
+#define POST_EARLY_INIT		0x2c
+#define POST_CPU_INFO		0x2d
 
 /* Output a post code using al - value must be 0 to 0xff */
 #ifdef __ASSEMBLY__