[S] Change in coreboot[master]: soc/intel/elkhartlake: Select `X86_CLFLUSH_CAR` config

[Lean Sheng Tan (Code Review)]

Attention is currently required from: Werner Zeh.

Lean Sheng Tan has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/73687 )

Change subject: soc/intel/elkhartlake: Select `X86_CLFLUSH_CAR` config
......................................................................

soc/intel/elkhartlake: Select `X86_CLFLUSH_CAR` config

This patch selects `X86_CLFLUSH_CAR` config for running `clflush`
to invalidate the cache region.

Signed-off-by: Lean Sheng Tan 
Change-Id: I8f8a0bfeaea508d3b4ad1b3fe2e68742cbab5570
---
M src/soc/intel/elkhartlake/Kconfig
1 file changed, 14 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/87/73687/1

diff --git a/src/soc/intel/elkhartlake/Kconfig b/src/soc/intel/elkhartlake/Kconfig
index 8980bcc..f233ed9 100644
--- a/src/soc/intel/elkhartlake/Kconfig
+++ b/src/soc/intel/elkhartlake/Kconfig
@@ -68,6 +68,7 @@
    select UDK_202005_BINDING
    select USE_FSP_NOTIFY_PHASE_POST_PCI_ENUM
    select SOC_INTEL_RAPL_DISABLE_VIA_MCHBAR
+	select X86_CLFLUSH_CAR

config MAX_CPUS
    int