hal: use list_for_each_safe instead of list_for_each

NULL pointer dereference issue observed for 'node'
during traverse the list. use the temp variable store
the next node in the list, which allows for safe
traverse list. use list_for_each_safe instead of list_for_each.

Change-Id: Id8df671b391716022a25d4fa20c875820fb3f3f2