Removes mode param from mbedtls_rsa_rsassa_pss_verify_ext

Commit removes the mode parameter
from the mbedtls_rsa_rsassa_pss_verify_ext
function. This change is propagated
throughout the codebase.

Signed-off-by: Thomas Daubney <thomas.daubney@arm.com>
diff --git a/library/pk.c b/library/pk.c
index 65a4d0c..06021e2 100644
--- a/library/pk.c
+++ b/library/pk.c
@@ -367,11 +367,10 @@
             return( MBEDTLS_ERR_RSA_VERIFY_FAILED );
 
         ret = mbedtls_rsa_rsassa_pss_verify_ext( mbedtls_pk_rsa( *ctx ),
-                MBEDTLS_RSA_PUBLIC,
-                md_alg, (unsigned int) hash_len, hash,
-                pss_opts->mgf1_hash_id,
-                pss_opts->expected_salt_len,
-                sig );
+                                                 md_alg, (unsigned int) hash_len, hash,
+                                                 pss_opts->mgf1_hash_id,
+                                                 pss_opts->expected_salt_len,
+                                                 sig );
         if( ret != 0 )
             return( ret );