ssl-opt needs debug messages

Many test cases in ssl-opt.sh need error messages (MBEDTLS_ERROR_C) or SSL
traces (MBEDTLS_DEBUG_C). Some sample configurations don't include these
options. When running ssl-opt.sh on those configurations, enable the
required options. They must be listed in the config*.h file, commented out.

Run ssl-opt in the following configurations with debug options:
ccm-psk-tls1_2, ccm-psk-dtls1_2, suite-b. Skip mini-tls1_1 for now because
it requires significant improvements to ssl-opt.sh (lots of missing
requires_xxx).

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/configs/config-suite-b.h b/configs/config-suite-b.h
index 05f14c8..3923ec0 100644
--- a/configs/config-suite-b.h
+++ b/configs/config-suite-b.h
@@ -119,6 +119,11 @@
 #define MBEDTLS_PK_WRITE_C
 #endif
 
+/* Error messages and TLS debugging traces
+ * (huge code size increase, needed for tests/ssl-opt.sh) */
+//#define MBEDTLS_DEBUG_C
+//#define MBEDTLS_ERROR_C
+
 #include "mbedtls/check_config.h"
 
 #endif /* MBEDTLS_CONFIG_H */