ltq-vdsl-app: use downloaded vectoring firmware

Use vectoring firmware downloaded via vdsl_fw_install.sh from
ltq-vdsl-fw package for annex B and annex J.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

package/network/config/ltq-vdsl-app/files/dsl_control

@@ -252,7 +252,9 @@ start_service() {
 				fi
 				;;
 			b*|j*)
-				if [ -f "/lib/firmware/lantiq-vrx200-b.bin" ]; then
+				if [ -f "/lib/firmware/vr9_dsl_fw_annex_b.bin" ]; then
+					firmware="/lib/firmware/vr9_dsl_fw_annex_b.bin"
+				elif [ -f "/lib/firmware/lantiq-vrx200-b.bin" ]; then
 					firmware="/lib/firmware/lantiq-vrx200-b.bin"
 				elif [ -f "/tmp/lantiq-vrx200-b.bin" ]; then
 					firmware="/tmp/lantiq-vrx200-b.bin"