soc: qcom: llcc: Move llcc configuration to its own function

Cleanup qcom_llcc_cfg_program() by moving llcc configuration
to a separate function of its own. Also correct misspelled
'instance' caught by checkpatch.

Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Suggested-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Link: https://lore.kernel.org/r/51f9ad67333eedf326212dd1b040aade6978e5b1.1600151951.git.saiprakash.ranjan@codeaurora.org


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