[bsp][imxrt1052-evk] update eth driver

- fixed eth send frame bug
- code clean

bsp/imxrt1052-evk/Libraries/drivers/fsl_enet.c

@@ -1345,7 +1345,13 @@ status_t ENET_SendFrame(ENET_Type *base, enet_handle_t *handle, const uint8_t *d
 #else
         address = (uint32_t)curBuffDescrip->buffer;
 #endif /* FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET */
-        memcpy((void *)address, data, length);
+        
+        {
+            // Change SDK to reduce memory copy
+            extern void pbuf2mem(const uint8_t *data, void *dataptr, uint32_t len);
+            pbuf2mem(data, (void *)address, length);
+        }
+        //memcpy((void *)address, data, length);
         /* Set data length. */
         curBuffDescrip->length = length;
 #ifdef ENET_ENHANCEDBUFFERDESCRIPTOR_MODE