dt-bindings: clock: imx8mp: add axi clock

Some components of AUDIOMIX (i.e: DSP, OCRAM_A) are clocked by
AUDIO_AXI_CLK_ROOT. Since the AUDIOMIX block control manages the clock
gates for those components, include their root clock in the list of clocks
consumed by the IP.

Fixes: 95a0aa7bb1 ("dt-bindings: clock: imx8mp: Add audiomix block control")
Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
Reviewed-by: Iuliana Prodan <iuliana.prodan@nxp.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/20250226164513.33822-2-laurentiumihalcea111@gmail.com
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>

Documentation/devicetree/bindings/clock/imx8mp-audiomix.yaml

@@ -24,8 +24,8 @@ properties:
     maxItems: 1
 
   clocks:
-    minItems: 7
-    maxItems: 7
+    minItems: 8
+    maxItems: 8
 
   clock-names:
     items:
@@ -36,6 +36,7 @@ properties:
       - const: sai5
       - const: sai6
       - const: sai7
+      - const: axi
 
   '#clock-cells':
     const: 1
@@ -72,10 +73,11 @@ examples:
                  <&clk IMX8MP_CLK_SAI3>,
                  <&clk IMX8MP_CLK_SAI5>,
                  <&clk IMX8MP_CLK_SAI6>,
-                 <&clk IMX8MP_CLK_SAI7>;
+                 <&clk IMX8MP_CLK_SAI7>,
+                 <&clk IMX8MP_CLK_AUDIO_AXI_ROOT>;
         clock-names = "ahb",
                       "sai1", "sai2", "sai3",
-                      "sai5", "sai6", "sai7";
+                      "sai5", "sai6", "sai7", "axi";
         power-domains = <&pgc_audio>;
     };