dt-bindings: clock: drop NUM_CLOCKS define for EN7581

dt-bindings: clock: drop NUM_CLOCKS define for EN7581

Drop NUM_CLOCKS define for EN7581 dts/upstream/src/include. This is not a binding and
should not be placed here. Value is derived internally in the user
driver.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250113231030.6735-3-ansuelsmth@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
[ upstream commit: 02d3b7557ce28c373ea1e925ae16ab5988284313 ]