The main_conf node does not need to be a syscon, so change to
"simple-bus". This removes a DTS check warning.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240124184722.150615-10-afd@ti.comSigned-off-by: Vignesh Raghavendra <vigneshr@ti.com>