Add an API for adding/modifying/removing a link of a station. Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Bug: 253289327 (cherry picked from commit 577e5b8c3924539c7a09e3e00477534f39e61829) Change-Id: I8aeb58751079cb1698aee358fb501025993907bd Signed-off-by: Carlos Llamas <cmllamas@google.com>