ARM: dts: at91: sama5d2: disable pwm0 by default

It will be enabled as needed by each board.

Signed-off-by: Razvan Stefanescu <razvan.stefanescu@microchip.com>
Link: https://lore.kernel.org/r/1573543139-8533-1-git-send-email-eugen.hristev@microchip.com


Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>