arm64: dts: rockchip: Add Neardi LBA3368 board

LBA3368 is a RK3368 based industrial board from Neardi.

Specs:
 - 1 GB DDR3 DRAM
 - 8/16 GB eMMC
 - µSD slot
 - 100 mbit ethernet (optional 12V PoE)
 - Ampak AP6255 Wifi/BT combo
 - ADC button
 - 4 x USB 2.0 via onboard GL852G HUB connected to SoC's ehci host
   - 2 exposed as USB-A
   - 2 via 2-mm-4-pin connectors
 - micro USB OTG connector
 - 2 x UART TTL (2-mm-4-pin connectors)
 - CSI connector
 - DSI connector
 - eDP connector
 - HDMI 2.0a output (type A)
 - touchpad connector (I2C, 3.3V)
 - ALC5640 audio codec
   - combined headphone/microphone jack
   - speaker connector pads

Signed-off-by: Alex Bee <knaerzche@gmail.com>
Link: https://lore.kernel.org/r/20240623090116.670607-5-knaerzche@gmail.com


Signed-off-by: Heiko Stuebner <heiko@sntech.de>