ARM: dts: ast2600: Add PWM to device tree

Add the PWM node and enable it for AST2600 EVB

Signed-off-by: Billy Tsai <billy_tsai@aspeedtech.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Chia-Wei Wang <chiawei_wang@aspeedtech.com>
2 files changed