Added 3 more TPM2 Plugin APIs

Added tpm2_plugin_rsa_sign_update(...), tpm2_plugin_rsa_sign_final(...),
tpm2_plugin_rsa_sign_cleanup(...) APIs.

Issue-ID: AAF-94
Change-Id: I104ff7b979329c03e91206d19371d3904f163993
Signed-off-by: NingSun <ning.sun@intel.com>
diff --git a/build.sh b/build.sh
index 369974c..8e44eb9 100644
--- a/build.sh
+++ b/build.sh
@@ -1,4 +1,4 @@
-#!/etc/bash
+#!/bin/bash
 
 #set -e
 sudo kill -9 $(ps -ef | grep "apt" | grep -v grep | awk '{print $2}')