clk: qcom: dispcc-glymur: Constify 'struct qcom_cc_desc'

'struct qcom_cc_desc' is passed to qcom_cc_map() and
qcom_cc_really_probe() only as pointer to const, so make the memory
const for safety.

Suggested-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Imran Shaik <imran.shaik@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250909-constify-dispcc-glymur-desc-fix-v1-1-6cb59730863f@oss.qualcomm.com


Signed-off-by: Bjorn Andersson <andersson@kernel.org>