drivers: counter: Adding Mutli Channel PIT Support

Updating the nxp,pit driver to support mutliple
channels. Updating the dts and board overlays
to account for the changes.

Signed-off-by: Emilio Benavente <emilio.benavente@nxp.com>

dts/bindings/counter/nxp,pit-channel.yaml

@@ -0,0 +1,13 @@
+# Copyright 2024 NXP
+# SPDX-License-Identifier Apache-2.0
+
+description: |
+  Child node for the Periodic Interrupt Timer node, intended for an individual timer channel
+
+compatible: "nxp,pit-channel"
+
+include: base.yaml
+
+properties:
+  reg:
+    required: true

dts/bindings/counter/nxp,pit.yaml

@@ -14,16 +14,6 @@ properties:
   clocks:
     required: true
 
-  pit-channel:
-    type: int
-    required: true
-    description: pit channel to active
-
-  pit-period:
-    type: int
-    required: true
-    description: pit default period in us
-
   max-load-value:
     type: int
     required: true