README: update SGX-Step papers. #137

	name: CI
	on:
	push:
	pull_request:
	# trigger a cron job every monday at 8am
	schedule:
	- cron: '00 08 * * MON'

	jobs:
	build:
	runs-on: ubuntu-20.04

	steps:
	- name: Check out repository
	uses: actions/checkout@v2

	- name: Build and load /dev/sgx-step
	run: \|
	cd $GITHUB_WORKSPACE/kernel/
	./install_SGX_driver.sh
	make clean load

	- name: Patch and install SGX SDK
	run: \|
	cd $GITHUB_WORKSPACE/sdk/intel-sdk/
	sudo apt-get update
	bash -x ./install_SGX_SDK.sh
	source /opt/intel/sgxsdk/environment
	sudo service aesmd status

	- name: Run SampleCode in SGX-SDK simulator
	run: \|
	source /opt/intel/sgxsdk/environment
	cd $GITHUB_WORKSPACE/sdk/intel-sdk/linux-sgx/SampleCode/LocalAttestation
	make SGX_MODE=SIM
	cd bin
	ldd ./app
	./app

	- name: Build SGX-Step sample applications
	run: \|
	source /opt/intel/sgxsdk/environment
	for d in $GITHUB_WORKSPACE/app// ; do echo -e "\n* $d **\n" ; cd "$d" ; make ; ldd ./app ; done

Provide feedback