Remove ChromeOS specific configs from the U-Boot repository.

include/configs/chromeos/tegra2/seaboard/parts/nand.h

-/*
- *  (C) Copyright 2010
- *  NVIDIA Corporation <www.nvidia.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-/* Set clock divisor
- * 7 bits of D and 1 bit of H
- * divisor= (DDDDDDD + 1) + (H x 0.5)
- * clock = original clock / divisor
- * 6 means /4  */
-#define CONFIG_NAND_CLK_DIVISOR_DDDDDDDH       6
-
-/* For HYNIX HY27UF4G2B
- * Frequence output of PLLP_OUT0 is set by BOOTROM to 216MHz
- * to CLK_RST_CONTROLLER_PLLP_BASE_0,
- * 216MHz / divisor 4 = 54MHZ
- * 1 clock = 18.5 ns = NAND_CLK_PERIOD
- * TRP_RESP_CNT=n, max(tRP, tREA)= max(12ns, 20ns)= 20ns for non-EDO mode
- *   bit 31-28=n=1, generated timing= (n+1) * NAND_CLK_PERIOD= (1+1)* 18.5
- * TWB_CNT bit 27-24=n, tWB = 100ns = (n+1)* 18.5, so n= 5 (bit 27-24)
- * similar way for other fields, please refer to reference manual
- */
-/* Value to be set to NAND_TIMING_0 register, address=70008014h */
-#define CONFIG_TEGRA2_NAND_TIMING      0x15040001
-/* Value to be set to NAND_TIMING2_0 register, address=7000801Ch */
-#define CONFIG_TEGRA2_NAND_TIMING2     0x01