arm: dts: k3-am642: Add initial support for EVM

The AM642 EValuation Module (EVM) is a board that provides access to
various peripherals available on the AM642 SoC, such as PCIe, USB 2.0,
CPSW Ethernet, ADC, and more.

Add basic support.

Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index a5cae01..7657ccb 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -1056,6 +1056,7 @@
 			      k3-j721e-r5-common-proc-board.dtb \
 			      k3-j7200-common-proc-board.dtb \
 			      k3-j7200-r5-common-proc-board.dtb
+dtb-$(CONFIG_SOC_K3_AM642) += k3-am642-evm.dtb
 
 dtb-$(CONFIG_ARCH_MEDIATEK) += \
 	mt7622-rfb.dtb \