Update PSS support definition to account for new AWS-LC version
#include "crypto/s2n_rsa.h"
/* Check for libcrypto 1.1 for RSA PSS Signing and EV_Key usage */
-#if S2N_OPENSSL_VERSION_AT_LEAST(1, 1, 1) && !defined(LIBRESSL_VERSION_NUMBER) && !defined(OPENSSL_IS_BORINGSSL)
+#if S2N_OPENSSL_VERSION_AT_LEAST(1, 1, 1) && !defined(LIBRESSL_VERSION_NUMBER) && !defined(OPENSSL_IS_BORINGSSL) && !defined(OPENSSL_IS_AWSLC)
#define RSA_PSS_SIGNING_SUPPORTED 1
#else
#define RSA_PSS_SIGNING_SUPPORTED 0
