config-tfm.h: include TF-M medium profile properly

config-tfm.h is copied into mbedtls_config.h in test-ref-config.pl.
The relative path is include/ not configs/.

Signed-off-by: Yanray Wang <yanray.wang@arm.com>
diff --git a/configs/config-tfm.h b/configs/config-tfm.h
index 7ca83b6..dab1381 100644
--- a/configs/config-tfm.h
+++ b/configs/config-tfm.h
@@ -21,7 +21,7 @@
  */
 
 /* TF-M medium profile: mbedtls legacy configuration */
-#include "ext/tfm_mbedcrypto_config_profile_medium.h"
+#include "../configs/ext/tfm_mbedcrypto_config_profile_medium.h"
 
 /* TF-M medium profile: PSA crypto configuration */
 #define MBEDTLS_PSA_CRYPTO_CONFIG_FILE "../configs/ext/crypto_config_profile_medium.h"
@@ -35,7 +35,7 @@
 
 /* TF-M provides its own dummy implementations to save code size.
  * We don't have any way to disable the tests that need these feature,
- * so we just keep AES decryption enabled. We will resolve this though
+ * so we just keep AES decryption enabled. We will resolve this through
  * an official way to disable AES decryption, then this deviation
  * will no longer be needed:
  * https://github.com/Mbed-TLS/mbedtls/issues/7368