dts: bindings: rtc: pcf8563: remove unused wakeup-source

The wakeup-source is not used by the driver. Most probably this was
inadvertently left when copying the binding from pcf8523 driver.

Signed-off-by: Martin Jäger <[email protected]>

Author: martinjaeger

dts/bindings/rtc/nxp,pcf8563.yaml

@@ -8,9 +8,6 @@ compatible: "nxp,pcf8563"
 include:
   - name: rtc-device.yaml
   - name: i2c-device.yaml
-  - name: pm.yaml
-    property-allowlist:
-      - wakeup-source
 
 properties:
   int1-gpios: