spi/tegra: remove unused Tegra platform data header

The platform data header is no longer used. Delete it.
Signed-off-by: NStephen Warren <swarren@nvidia.com>
Signed-off-by: NGrant Likely <grant.likely@secretlab.ca>

include/linux/spi/spi-tegra.h

-/*
- * 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 */