dt-bindings: ieee802154: ca8210: Update polarity of the reset pin

The code has been updated to follow what datasheet says about
the polarity of the reset pin, which is active-low. Update
the device tree bindings accordingly.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/20250305105656.2133487-5-andriy.shevchenko@linux.intel.com


Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>