Fixup: Rename mbedtls_uecc_pk -> mbedtls_pk_uecc

This is in line with the naming of the analogous function mbedtls_pk_ec
used for legacy ECC PK contexts.
diff --git a/include/mbedtls/pk.h b/include/mbedtls/pk.h
index c65f39c..a9d763a 100644
--- a/include/mbedtls/pk.h
+++ b/include/mbedtls/pk.h
@@ -173,7 +173,7 @@
 #endif /* MBEDTLS_RSA_C */
 
 #if defined(MBEDTLS_USE_TINYCRYPT)
-static inline mbedtls_uecc_keypair *mbedtls_uecc_pk( const mbedtls_pk_context pk )
+static inline mbedtls_uecc_keypair *mbedtls_pk_uecc( const mbedtls_pk_context pk )
 {
     return( (mbedtls_uecc_keypair *) (pk).pk_ctx );
 }
diff --git a/library/pkparse.c b/library/pkparse.c
index 79b06c7..a3184bf 100644
--- a/library/pkparse.c
+++ b/library/pkparse.c
@@ -1211,7 +1211,7 @@
     if( pk_alg == MBEDTLS_PK_ECKEY )
     {
         if( ( ret = pk_use_ecparams( &params ) ) != 0 ||
-            ( ret = pk_parse_key_sec1_der( mbedtls_uecc_pk( *pk ), p, len ) ) != 0)
+            ( ret = pk_parse_key_sec1_der( mbedtls_pk_uecc( *pk ), p, len ) ) != 0)
         {
             return( ret );
         }
@@ -1433,7 +1433,7 @@
 
 #if defined(MBEDTLS_USE_TINYCRYPT)
         if( ( ret = mbedtls_pk_setup( pk, pk_info ) ) != 0 ||
-            ( ret = pk_parse_key_sec1_der( mbedtls_uecc_pk( *pk ),
+            ( ret = pk_parse_key_sec1_der( mbedtls_pk_uecc( *pk ),
                                            pem.buf, pem.buflen ) ) != 0 )
 #else /* MBEDTLS_USE_TINYCRYPT */
         if( ( ret = mbedtls_pk_setup( pk, pk_info ) ) != 0 ||
@@ -1563,7 +1563,7 @@
 #if defined(MBEDTLS_USE_TINYCRYPT)
     pk_info = mbedtls_pk_info_from_type( MBEDTLS_PK_ECKEY );
     if( mbedtls_pk_setup( pk, pk_info ) == 0 &&
-        pk_parse_key_sec1_der( mbedtls_uecc_pk( *pk),
+        pk_parse_key_sec1_der( mbedtls_pk_uecc( *pk),
                                key, keylen) == 0)
     {
         return( 0 );