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

The switch mask can be overridden by an environment variable
The low 32 bit mask for display 0x24 (AM_1280800P2TZQW)
setenv swm24_a ffffffff

The high 32 bit mask for display 0x00 (TX23D200_18L)
setenv swm00_b ffffffff

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

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

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

ash2: KEY_COL0 must be UART4_TX_DATA
ash2: add power_init_board because mdelay cannot be used in board_early_init_f
ash2: use common 800mhz_4x128mx16.cfg, and calibrate ddr
ash2: rgb24 vs rgb66 panel have different backlight active levels
ash2: fixup dtb backlight levels
ash2: add  CONFIG_SPI_FLASH_GIGADEVICE: to defconfigs
ash2: use common ddr script
ash2: port to v2018.07

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