x86: ivybridge: Add FSP support

IvyBridge FSP package is built with a base address at 0xfff80000,
and does not use UPD data region. This adds basic FSP support.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
Tested on link (ivybridge non-FSP)
Tested-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/x86/cpu/ivybridge/Kconfig b/arch/x86/cpu/ivybridge/Kconfig
index 1768a26..b9f290a 100644
--- a/arch/x86/cpu/ivybridge/Kconfig
+++ b/arch/x86/cpu/ivybridge/Kconfig
@@ -71,4 +71,12 @@
 	  will be unable to support virtualisation, or it will run very
 	  slowly.
 
+config FSP_ADDR
+	hex
+	default 0xfff80000
+
+config FSP_USE_UPD
+	bool
+	default n
+
 endif