board: phytec: am62x: Add PHYTEC phyCORE-AM62x SoM

Add basic support for PHYTEC phyCORE-AM62x SoM.

Supported features:
  - 2GB DDR4 RAM
  - eMMC Flash
  - OSPI NOR Flash
  - external uSD
  - Ethernet
  - debug UART

Product page SoM: https://www.phytec.com/product/phycore-am62x

Device trees were taken from Linux v6.7-rc3.

Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
Reviewed-by: Dhruva Gole <d-gole@ti.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index d456a52..640442a 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -1422,7 +1422,9 @@
 			      k3-am625-beagleplay.dtb \
 			      k3-am625-r5-beagleplay.dtb \
 			      k3-am625-verdin-wifi-dev.dtb \
-			      k3-am625-verdin-r5.dtb
+			      k3-am625-verdin-r5.dtb \
+			      k3-am625-phyboard-lyra-rdk.dtb \
+			      k3-am625-r5-phycore-som-2gb.dtb
 
 dtb-$(CONFIG_SOC_K3_AM62A7) += k3-am62a7-sk.dtb \
 			      k3-am62a7-r5-sk.dtb