imx: add support for Olimex i.MX8MP-SOM-EVB
This adds support for an i.MX8-based system-on-module + EVB board.
CPU: NXP i.MX8MP @ 1600MHz (quad-core A53)
Memory: 4Gb
PCI: 1x PCIe M.2 2280 slot
Ethernet: 2x GE with Micrel PHY
USB: 2x 3.0
UART: separate UARTs for the A53 and the M7 cores
Storage: microSD slot
Misc: 16KByte EEPROM (at24), audio via ES8328, 2x CAN, HDMI
Power: 5VDC
This also adds support for building u-boot for an i.MX8MP SoC (for this
particular board), along with a required function in the target image
building.
Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>