imx: mx6sxsabreauto: Add support for mx6sx SABREAUTO board

Initial version for mx6sx SABREAUTO board support with features:
PMIC, QSPI, NAND flash, SD/MMC, USB, Ethernet, I2C, IO Expander.

Signed-off-by: Ye Li <ye.li@nxp.com>
diff --git a/board/freescale/mx6sxsabreauto/imximage.cfg b/board/freescale/mx6sxsabreauto/imximage.cfg
new file mode 100644
index 0000000..529e555
--- /dev/null
+++ b/board/freescale/mx6sxsabreauto/imximage.cfg
@@ -0,0 +1,136 @@
+/*
+ * Copyright (C) 2014 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#define __ASSEMBLY__
+#include <config.h>
+
+/* image version */
+
+IMAGE_VERSION 2
+
+/*
+ * Boot Device : one of
+ * spi/sd/nand/onenand, qspi/nor
+ */
+
+BOOT_FROM	sd
+
+/*
+ * Device Configuration Data (DCD)
+ *
+ * Each entry must have the format:
+ * Addr-type           Address        Value
+ *
+ * where:
+ *	Addr-type register length (1,2 or 4 bytes)
+ *	Address	  absolute address of the register
+ *	value	  value to be stored in the register
+ */
+
+/* Enable all clocks */
+DATA 4 0x020c4068 0xffffffff
+DATA 4 0x020c406c 0xffffffff
+DATA 4 0x020c4070 0xffffffff
+DATA 4 0x020c4074 0xffffffff
+DATA 4 0x020c4078 0xffffffff
+DATA 4 0x020c407c 0xffffffff
+DATA 4 0x020c4080 0xffffffff
+DATA 4 0x020c4084 0xffffffff
+
+/* IOMUX - DDR IO Type */
+DATA 4 0x020e0618 0x000c0000
+DATA 4 0x020e05fc 0x00000000
+
+/* Clock */
+DATA 4 0x020e032c 0x00000030
+
+/* Address */
+DATA 4 0x020e0300 0x00000030
+DATA 4 0x020e02fc 0x00000030
+DATA 4 0x020e05f4 0x00000030
+
+/* Control */
+DATA 4 0x020e0340 0x00000030
+
+DATA 4 0x020e0320 0x00000000
+DATA 4 0x020e0310 0x00000030
+DATA 4 0x020e0314 0x00000030
+DATA 4 0x020e0614 0x00000030
+
+/* Data Strobe */
+DATA 4 0x020e05f8 0x00020000
+DATA 4 0x020e0330 0x00000030
+DATA 4 0x020e0334 0x00000030
+DATA 4 0x020e0338 0x00000030
+DATA 4 0x020e033c 0x00000030
+
+/* Data */
+DATA 4 0x020e0608 0x00020000
+DATA 4 0x020e060c 0x00000030
+DATA 4 0x020e0610 0x00000030
+DATA 4 0x020e061c 0x00000030
+DATA 4 0x020e0620 0x00000030
+DATA 4 0x020e02ec 0x00000030
+DATA 4 0x020e02f0 0x00000030
+DATA 4 0x020e02f4 0x00000030
+DATA 4 0x020e02f8 0x00000030
+
+/* Calibrations - ZQ */
+DATA 4 0x021b0800 0xa1390003
+
+/* Write leveling */
+DATA 4 0x021b080c 0x002C003D
+DATA 4 0x021b0810 0x00110046
+
+/* DQS Read Gate */
+DATA 4 0x021b083c 0x4160016C
+DATA 4 0x021b0840 0x013C016C
+
+/* Read/Write Delay */
+DATA 4 0x021b0848 0x46424446
+DATA 4 0x021b0850 0x3A3C3C3A
+
+DATA 4 0x021b08c0 0x2492244A
+
+/* read data bit delay */
+DATA 4 0x021b081c 0x33333333
+DATA 4 0x021b0820 0x33333333
+DATA 4 0x021b0824 0x33333333
+DATA 4 0x021b0828 0x33333333
+
+/* Complete calibration by forced measurement */
+DATA 4 0x021b08b8 0x00000800
+
+/* MMDC init - DDR3, 64-bit mode, only MMDC0 is initiated */
+DATA 4 0x021b0004 0x0002002d
+DATA 4 0x021b0008 0x00333030
+DATA 4 0x021b000c 0x676b52f3
+DATA 4 0x021b0010 0xb66d8b63
+DATA 4 0x021b0014 0x01ff00db
+DATA 4 0x021b0018 0x00011740
+DATA 4 0x021b001c 0x00008000
+DATA 4 0x021b002c 0x000026d2
+DATA 4 0x021b0030 0x006b1023
+DATA 4 0x021b0040 0x0000007f
+DATA 4 0x021b0000 0x85190000
+
+/* Initialize MT41K256M16HA-125 - MR2 */
+DATA 4 0x021b001c 0x04008032
+/* MR3 */
+DATA 4 0x021b001c 0x00008033
+/* MR1 */
+DATA 4 0x021b001c 0x00068031
+/* MR0 */
+DATA 4 0x021b001c 0x05208030
+/* DDR device ZQ calibration */
+DATA 4 0x021b001c 0x04008040
+
+/* Final DDR setup, before operation start */
+DATA 4 0x021b0020 0x00000800
+DATA 4 0x021b0818 0x00022227
+DATA 4 0x021b0004 0x0002556d
+DATA 4 0x021b0404 0x00011006
+DATA 4 0x021b001c 0x00000000