Add missing configs from test-ref-configs.pl

Two sample configuration file were not being tested:
config-no-entropy.h and config-psa-crypto.h. Add them.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>

tests/scripts/test-ref-configs.pl

@@ -34,6 +34,10 @@ my %configs = (
     'config-mini-tls1_1.h' => {
         'compat' => '-m tls1_1 -f \'^DES-CBC3-SHA$\|^TLS-RSA-WITH-3DES-EDE-CBC-SHA$\'', #'
     },
+    'config-no-entropy.h' => {
+    },
+    'config-psa-crypto.h' => {
+    },
     'config-suite-b.h' => {
         'compat' => "-m tls1_2 -f 'ECDHE-ECDSA.*AES.*GCM' -p mbedTLS",
     },