Create a Kconfig option for enabling MRC cache.

Signed-off-by: Bin Meng <bmeng...@gmail.com>
---

 arch/x86/Kconfig | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index bf09b21..f92082d 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -239,6 +239,14 @@ config FSP_SYS_MALLOC_F_LEN
        help
          Additional size of malloc() pool before relocation.
 
+config ENABLE_MRC_CACHE
+       bool "Enable MRC cache"
+       depends on !EFI && !SYS_COREBOOT
+       help
+         Enable this feature to cause MRC data to be cached in NV storage
+         to be used for speeding up boot time on future reboots and/or
+         power cycles.
+
 config SMP
        bool "Enable Symmetric Multiprocessing"
        default n
-- 
1.8.2.1

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