Add Tegra2 SPI controller.

wpce775x.c

 /*
  * This file is part of the flashrom project.
  *
  * Copyright (C) 2010 Google, Inc.
  *
  * Redistribution and use in source and binary forms, with or without 
  * modification, are permitted provided that the following conditions 
  * are met:
  * 
  * Redistributions of source code must retain the above copyright 
@@ skipping 20 matching lines @@
  * LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
  * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
  *
  * This is an UNOFFICIAL patch for the Nuvoton WPCE775x/NPCE781x. It was tested
  * for a specific hardware and firmware configuration and should be considered
  * unreliable. Please see the following URL for Nuvoton's authoritative,
  * officially supported flash update utility:
  * http://sourceforge.net/projects/nuvflashupdate/
  */
 
+#if defined(__i386__) || defined(__x86_64__)
 #include <assert.h>
 #include <string.h>
 #include <sys/time.h>
 #include <time.h>
 #include <unistd.h>
 #include <stdlib.h>
 #include "flash.h"
 #include "chipdrivers.h"
 #include "flashchips.h"
 #include "programmer.h"
@@ skipping 881 matching lines @@
         default:
                 /* unsupported opcodes */
                 msg_pdbg("unsupported SPI opcode: %02x\n", opcode);
                 rc = 1;
                 break;
         }
 
         msg_pdbg("%s: opcode: 0x%02x\n", __func__, opcode);
         return rc;
 }
+#endif