Comment out default definition

This is not required (it's ok to define the default in mbedtls_config and
skip the definition in rsa.h), but comment it out for uniformity with all
the other options in this section.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/include/mbedtls/mbedtls_config.h b/include/mbedtls/mbedtls_config.h
index df53041..ae98553 100644
--- a/include/mbedtls/mbedtls_config.h
+++ b/include/mbedtls/mbedtls_config.h
@@ -3924,7 +3924,7 @@
 //#define MBEDTLS_PSA_KEY_SLOT_COUNT 32
 
 /* RSA OPTIONS */
-#define MBEDTLS_RSA_GEN_KEY_MIN_BITS            1024 /**<  Minimum RSA key size that can be generated in bits (Minimum possible value is 128 bits) */
+//#define MBEDTLS_RSA_GEN_KEY_MIN_BITS            1024 /**<  Minimum RSA key size that can be generated in bits (Minimum possible value is 128 bits) */
 
 /* SSL Cache options */
 //#define MBEDTLS_SSL_CACHE_DEFAULT_TIMEOUT       86400 /**< 1 day  */