clk/qcom: sm8250: Fix variable name of msm_clk_data

clk/qcom: sm8250: Fix variable name of msm_clk_data

Update the variable name to sm8250_gcc_data as it's in the sm8250
driver.

Fixes: dcd688229cb ("clk/qcom: add driver for sm8250 GCC")
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Reviewed-by: Casey Connolly <casey.connolly@linaro.org>
Reviewed-by: Sumit Garg <sumit.garg@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250611-qcom-clk-variable-names-v1-2-37615b74daad@fairphone.com
Signed-off-by: Casey Connolly <casey.connolly@linaro.org>