arm64: dts: ti: k3-am62p-verdin: Add Zinnia

Add Zinnia Carrier Board mated with Verdin AM62P.

It features 1 x RS232, 1 x RS485, 1 x CAN, 3 x isolated digital I/O,
2 x 1GBit/s Ethernet, a mini PCIe slot with USB / SIM card connector
for a modem, USB and SD card interfaces.

Link: https://www.toradex.com/products/carrier-board/zinnia-carrier-board
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://patch.msgid.link/20260324093705.26730-8-francesco@dolcini.it
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>

Author: dolcini