cpu/intel/socket_FCBGA559: Use the non-evict cache as ram setup

Pineview CPUs support a non-eviction mode that ought to be used
during cache as ram setup.

This assumes that all atoms that need to set a special register to
enable L2 cache are socketed and hence uses a static Kconfig option
to set that MSR on affected CPUs.

Tested on Foxconn D41S, still boots.

Change-Id: Iec943f5710314fb7a644d89dbd6d8c425f4ed735
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/30863
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/cpu/intel/socket_FCBGA559/Kconfig b/src/cpu/intel/socket_FCBGA559/Kconfig
index d1cc80f..6566a01 100644
--- a/src/cpu/intel/socket_FCBGA559/Kconfig
+++ b/src/cpu/intel/socket_FCBGA559/Kconfig
@@ -1,5 +1,7 @@
 config CPU_INTEL_SOCKET_FCBGA559
 	bool
+	help
+	  Select this socket on Intel Pineview
 
 if CPU_INTEL_SOCKET_FCBGA559
 
@@ -8,6 +10,7 @@
 	select CPU_INTEL_MODEL_106CX
 	select MMX
 	select SSE
+	select CPU_HAS_L2_ENABLE_MSR
 
 config DCACHE_RAM_BASE
 	hex