Fix typo in check_config.h

Author: Hanno Becker

include/mbedtls/check_config.h

@@ -114,7 +114,7 @@
 #endif
 
 #if defined(MBEDTLS_ECP_RESTARTABLE)           && \
-    ( defined(MBEDTLS_USE_PSA_CRYPTO_C)        || \
+    ( defined(MBEDTLS_USE_PSA_CRYPTO)          || \
       defined(MBEDTLS_ECDH_COMPUTE_SHARED_ALT) || \
       defined(MBEDTLS_ECDH_GEN_PUBLIC_ALT)     || \
       defined(MBEDTLS_ECDSA_SIGN_ALT)          || \