Configuration for ThinkPad T14s Gen 6 (Snapdragon X Elite X1E-78-100)

Most relevant seems to be the devicetree, which has not seen much change since its inception last august:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts

Yeah, I see the same on all my arm devices and use journalctl -b -g 'Initial clock synchronization' to find the boot time.