nw.h: CONFIG_IPUV3_CLK 264000000
nw: add CONFIG_CMD_GPIO
nw: explicit fbp_detect_i2c
nw2: add CONFIG_CMD_GPIO
nw: nw does not have I2C3
nw: remove CONFIG_SYS_I2C_MXC_I2C3
nw: verify port in board_ehci_hcd_init
nw: use boundary.h
nw: add CONFIG_SPI_FLASH_SPANSION
nw: nw_defconfig add CONFIG_BLOCK_CACHE
nw: use common code for eth init
nw: eth.c now in common directory
nw: move misc_init_r/do_kbd to common
nw: move mmc_init/ dram_init/ overwrite_console/ common_board_init/ splash_screen_prepare/ board_cfb_skip to common
nw: add  CONFIG_SPI_FLASH_GIGADEVICE: to defconfigs
nw: 800mhz_2x256mx16.cfg: use common values

MDCFG0: from 0x696c5323 to 0x666a5333
tRFC - from 106 to 103 clocks
tXS - from 109 to 107 clocks
tFAW - from 19 to 20 clocks

MDCFG1: from 0xb66e8d63 to 0xb68e8b63
tRC - from 20 to 21 clocks
tWR - from 7 clocks to 6 clocks

MDRWD: from 0x000026d2 to 0x0f9f26d2
restore unused field to default value

MDOR: from 0x006c1023 to 0x006a1023
tXPR - from 109 to 107 clocks

MR0: from 0x13208030 to 0x15208030
tWR - from 5 to 6 clocks

nw: use common ddr script
nw: port to v2018.07

Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>

nw: update to v2017.01
nw: update to v2017.03

Signed-off-by: Gary Bisson <gary.bisson@boundarydevices.com>