dt-bindings: clock: ti: add ti,autoidle.yaml reference

ti,divider-clock uses properties from ti,autoidle.
As we are converting autoidle binding to ti,autoidle.yaml, fix the reference
here.

Signed-off-by: Sukrut Bellary <sbellary@baylibre.com>
Link: https://lore.kernel.org/r/20250516081612.767559-4-sbellary@baylibre.com
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

Author: Sukrut Bellary

Documentation/devicetree/bindings/clock/ti/ti,divider-clock.yaml

@@ -55,9 +55,10 @@ description: |
   is missing it is the same as supplying a zero shift.
 
   This binding can also optionally provide support to the hardware autoidle
-  feature, see [1].
+  feature.
 
-  [1] Documentation/devicetree/bindings/clock/ti/autoidle.txt
+allOf:
+  - $ref: ti,autoidle.yaml#
 
 properties:
   compatible:
@@ -97,7 +98,6 @@ properties:
     minimum: 1
     default: 1
 
-
   ti,max-div:
     $ref: /schemas/types.yaml#/definitions/uint32
     description:
@@ -116,20 +116,6 @@ properties:
       valid divisor programming must be a power of two,
       only valid if ti,dividers is not defined.
 
-  ti,autoidle-shift:
-    $ref: /schemas/types.yaml#/definitions/uint32
-    description:
-      bit shift of the autoidle enable bit for the clock,
-      see [1].
-    maximum: 31
-    default: 0
-
-  ti,invert-autoidle-bit:
-    type: boolean
-    description:
-      autoidle is enabled by setting the bit to 0,
-      see [1]
-
   ti,set-rate-parent:
     type: boolean
     description:
@@ -156,7 +142,7 @@ required:
   - clocks
   - reg
 
-additionalProperties: false
+unevaluatedProperties: false
 
 examples:
   - |