libpayload: Add missing cache API stub to x86

This patch adds another cache invalidation stub to the x86 arch to
make it usable in common code. This whole stuff should probably be
redesigned anyway but I just want to get it working and unblock my CL
for now... more cleanups coming later.

Change-Id: I2e8bdd8aa0e6723209384c24042f053f2e993fe6
Signed-off-by: Julius Werner <>
Reviewed-by: Vincent Palatin <>
(cherry picked from commit cafce5182a7a2a9ce17ad40d9d893a40ebd5aafd)
Signed-off-by: Isaac Christensen <>
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <>
1 file changed