interconnect: qcom: sdm845: Walk the list safely on node removal

As we will remove items off the list using list_del(), we need to use the
safe version of list_for_each_entry().

Fixes: b5d2f741 ("interconnect: qcom: Add sdm845 interconnect provider driver")
Reported-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>