cfg80211: replace print_dfs_region() with reg_dfs_region_str() helper
cfg80211: replace print_dfs_region() with reg_dfs_region_str() helper

This lets us later reuse the more generic reg_dfs_region_str().

Signed-off-by: Luis R. Rodriguez <d4fa18192c5a479e564d29c2300c2e15afd1d8d7@do-not-panic.com>
Signed-off-by: Johannes Berg <bff32994ff0f8d048f262a8388145a71b6071bfe@intel.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs