Add Tegra2 SPI controller.

spi.c

 /*
  * This file is part of the flashrom project.
  *
  * Copyright (C) 2007, 2008, 2009 Carl-Daniel Hailfinger
  * Copyright (C) 2008 coresystems GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; version 2 of the License.
  *
@@ skipping 94 matching lines @@
         },
 
         { /* SPI_CONTROLLER_WPCE775X */
                 .command = wpce775x_spi_send_command,
                 .multicommand = default_spi_send_multicommand,
                 .read = wpce775x_spi_read,
                 .write_256 = wpce775x_spi_write_256,
         },
 
 #endif
+#if defined(__arm__)
+        { /* SPI_CONTROLLER_TEGRA2 */
+                .command = tegra2_spi_send_command,
+                .multicommand = default_spi_send_multicommand,
+                .read = tegra2_spi_read,
+                .write_256 = tegra2_spi_write,
+        },
+#endif
 #endif
 
 #if CONFIG_FT2232_SPI == 1
         { /* SPI_CONTROLLER_FT2232 */
                 .command = ft2232_spi_send_command,
                 .multicommand = default_spi_send_multicommand,
                 .read = ft2232_spi_read,
                 .write_256 = ft2232_spi_write_256,
         },
 #endif
@@ skipping 175 matching lines @@
 #if defined(__i386__) || defined(__x86_64__)
         case SPI_CONTROLLER_ICH7:
                 /* Return BBAR for ICH chipsets. */
                 return ichspi_bbar;
 #endif
 #endif
         default:
                 return 0;
         }
 }