xmlsecurity: add missing CSP switch to certificate generator script

Without this the generated .p12 test file can't be used for SHA2 signing
on Windows, as xmlsec.git's README points out.

Change-Id: Ib97a337eca3b92dde5e0ccadee7420c492a8971c

xmlsecurity/qa/create-certs/create-certs.sh

@@ -150,7 +150,8 @@ do
         -inkey intermediate/private/example-xmlsecurity-${i}.key.pem \
         -passin env:SSLPASS \
         -in intermediate/certs/example-xmlsecurity-${i}.cert.pem \
-        -certfile intermediate/certs/ca-chain.cert.pem
+        -certfile intermediate/certs/ca-chain.cert.pem \
+        -CSP "Microsoft Enhanced RSA and AES Cryptographic Provider"
 done
 
 echo