board: rockchip: Remove ARM SCMI Support from RGxx3

Remove config options for ARM SCMI. It is not required to boot the
board and when using the most recent mainline A-TF it actually causes
the device to freeze during boot due to missing SCMI support.

Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
1 file changed