clk/qcom: sc7280: Fix variable name of msm_clk_data

clk/qcom: sc7280: Fix variable name of msm_clk_data

Update the variable name to sc7280_gcc_data as it's in the sc7280
driver.

Fixes: f50e7be6bb1 ("clk/qcom: add initial clock driver for sc7280")
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-v1-1-37615b74daad@fairphone.com
Signed-off-by: Casey Connolly <casey.connolly@linaro.org>