The xlate callbacks are supposed to translate of_phandle_args to proper
provider without modifying the of_phandle_args.  Make the argument
pointer to const for code safety and readability.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240208202822.631449-1-krzysztof.kozlowski@linaro.orgSigned-off-by: Ulf Hansson <ulf.hansson@linaro.org>