spi/tegra: remove unused Tegra platform data header

/*

 * spi-tegra.h: SPI interface for Nvidia Tegra20 SLINK controller.

 *

 * Copyright (C) 2011 NVIDIA Corporation

 *

 * 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; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for

 * more details.

 *

 * You should have received a copy of the GNU General Public License along

 * with this program; if not, write to the Free Software Foundation, Inc.,

 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

 */

#ifndef _LINUX_SPI_TEGRA_H

#define _LINUX_SPI_TEGRA_H

struct tegra_spi_platform_data {

	int dma_req_sel;

	unsigned int spi_max_frequency;

};

/*

 * Controller data from device to pass some info like

 * hw based chip select can be used or not and if yes

 * then CS hold and setup time.

 */

struct tegra_spi_device_controller_data {

	bool is_hw_based_cs;

	int cs_setup_clk_count;

	int cs_hold_clk_count;

};

#endif /* _LINUX_SPI_TEGRA_H */