dt-bindings: clock: renesas,rzg2l-cpg: Update description for #reset-cells

For the RZ/G2L and similar SoCs, the reset specifier is the reset number
and not the module number. Reflect this in the description for the
'#reset-cells' property.
Reported-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20240606161047.663833-1-prabhakar.mahadev-lad.rj@bp.renesas.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

Documentation/devicetree/bindings/clock/renesas,rzg2l-cpg.yaml

@@ -62,7 +62,7 @@ properties:
 
   '#reset-cells':
     description:
-      The single reset specifier cell must be the module number, as defined in
+      The single reset specifier cell must be the reset number, as defined in
       <dt-bindings/clock/r9a0*-cpg.h>.
     const: 1