Define the psa wrapper functions as static inline

This is a commit from Thomas Daubney.

Signed-off-by: Thomas Daubney <thomas.daubney@arm.com>
Signed-off-by: Xiaokang Qian <xiaokang.qian@arm.com>
diff --git a/library/psa_crypto_slot_management.c b/library/psa_crypto_slot_management.c
index ef285ac..46daf16 100644
--- a/library/psa_crypto_slot_management.c
+++ b/library/psa_crypto_slot_management.c
@@ -25,7 +25,7 @@
 #include "psa/crypto.h"
 
 #include "psa_crypto_core.h"
-#include "psa_crypto_driver_wrappers.h"
+#include "psa_crypto_driver_wrappers.c"
 #include "psa_crypto_slot_management.h"
 #include "psa_crypto_storage.h"
 #if defined(MBEDTLS_PSA_CRYPTO_SE_C)