arm64: dts: ti: Add common1 register space for AM62x SoC

arm64: dts: ti: Add common1 register space for AM62x SoC

This adds common1 register space for AM62x SoC which is using TI's Keystone
display hardware and supporting it as described in
Documentation/devicetree/bindings/display/ti/ti,am65x-dss.yaml

Fixes: 8ccc1073c7bb ("arm64: dts: ti: k3-am62-main: Add node for DSS")
Signed-off-by: Devarsh Thakkar <devarsht@ti.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Aradhya Bhatia <a-bhatia1@ti.com>
Link: https://lore.kernel.org/r/20240216062426.4170528-4-devarsht@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>