ARM: dts: aspeed: x4tf: Add dts for asus x4tf project

Base on aspeed-g6.dtsi and can boot into BMC console.

Signed-off-by: Kelly Hung <ppighouse@gmail.com>
Reviewed-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Link: https://lore.kernel.org/r/20240430045853.3894633-3-Kelly_Hung@asus.com


Signed-off-by: Joel Stanley <joel@jms.id.au>