This patch adds execution-in-ram, opposite of XIP: execution-in-place
(a.k.a. XIP) to the EC features. It can be currently implied by
CONFIG_EXTERNAL_STORAGE.
BUG=b:77306460
BRANCH=none
TEST=Verify ectool prints EXEC_IN_RAM on Fizz.
Change-Id: I4a7fb3b267864debe59fd211956371eceac57613
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/995968
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>