ARM: dts: at91: remove status = "okay" from soc specific dtsi

Remove status = "okay" from SoC specific dtsi as this is the default
state.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Reviewed-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20220207111523.575474-1-claudiu.beznea@microchip.com