linux-imx

arm: boot: dts: am4372: add ARM timers and SCU nodes

AM437x devices sport SCU, TWD and Global timers,
let's add them to DTS so they have a chance to
probe and be used by Linux.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>