[io/usb/ccid]: Crashfix, remove tx_packet_buffer from ccid_transport_t struct

Author: sportron-ledger

lib_ccid/include/ccid_types.h

@@ -149,8 +149,7 @@ typedef struct {
     uint16_t       tx_message_length;
     uint16_t       tx_message_offset;
 
-    uint8_t *tx_packet_buffer;
-    uint8_t  tx_packet_length;
+    uint8_t tx_packet_length;
 
     ccid_protocol_data_t0_t protocol_data;
 

lib_ccid/src/ccid_transport.c

@@ -150,7 +150,7 @@ void CCID_TRANSPORT_tx(ccid_transport_t *handle,
     // Fill header
     if (buffer) {
         tx_packet_buffer[0] = handle->bulk_msg_header.in.msg_type;
-        U4LE_ENCODE(handle->tx_packet_buffer, 1, handle->bulk_msg_header.in.length);
+        U4LE_ENCODE(tx_packet_buffer, 1, handle->bulk_msg_header.in.length);
         tx_packet_buffer[5] = handle->bulk_msg_header.in.slot_number;
         tx_packet_buffer[6] = handle->bulk_msg_header.in.seq_number;
         tx_packet_buffer[7] = handle->bulk_msg_header.in.status;