drivers: added support for clock PCF8563

Added driver support

Signed-off-by: Alvaro Garcia <maxpowel@gmail.com>

dts/bindings/rtc/nxp,pcf8563.yaml

@@ -0,0 +1,19 @@
+# Copyright (c) 2023 Alvaro Garcia Gomez <maxpowel@gmail.com>
+# SPDX-License-Identifier: Apache-2.0
+
+description: NXP PCF8563 RTC
+
+compatible: "nxp,pcf8563"
+
+include:
+  - name: rtc-device.yaml
+  - name: i2c-device.yaml
+  - name: pm.yaml
+    property-allowlist:
+      - wakeup-source
+
+properties:
+  int1-gpios:
+    type: phandle-array
+    description: |
+      GPIO connected to the PC8563 INT1 interrupt output. This signal is open-drain, active low.