Update the installation commands and path details, detail the new
options available in the run_kselftests.sh script.
Signed-off-by: NKees Cook <keescook@chromium.org>
Reviewed-by: NNaresh Kamboju <naresh.kamboju@linaro.org>
Signed-off-by: NShuah Khan <skhan@linuxfoundation.org>