Adding LTP test suite to run with GSGX

Signed-off-by: Jinen Gandhi <[email protected]>

.ci/lib/stage-test-sgx.jenkinsfile

@@ -1,4 +1,22 @@
 stage('test-sgx') {
+    timeout(time: 15, unit: 'MINUTES') {
+        try {
+            sh '''
+                cd LibOS/shim/test/ltp
+
+                # To run ltp tests with GSGX and work around the mmap issue,
+                # we need to change the mmap flag from MAP_SHARED to MAP_PRIVATE
+                # inside the LTP framework.
+                sed -i 's/MAP_SHARED/MAP_PRIVATE/g' src/lib/tst_test.c
+
+                make ${MAKEOPTS} all sgx-tokens
+                make SGX=1 ltp-sgx.xml
+            '''
+        } finally {
+            archiveArtifacts 'LibOS/shim/test/ltp/ltp-sgx.xml'
+            junit 'LibOS/shim/test/ltp/ltp-sgx.xml'
+        }
+    }
     timeout(time: 5, unit: 'MINUTES') {
         sh '''
             cd Examples/python-simple