gdb: Remove /usr part from installation path of gdbserver

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Reviewed-by: Romain Naour <romain.naour@smile.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/gdb/gdb.mk

@@ -181,7 +181,7 @@ GDB_POST_INSTALL_TARGET_HOOKS += GDB_REMOVE_UNNEEDED_FILES
 # does.
 define GDB_SDK_INSTALL_GDBSERVER
 	$(INSTALL) -D -m 0755 $(TARGET_DIR)/usr/bin/gdbserver \
-		$(HOST_DIR)/usr/$(GNU_TARGET_NAME)/debug-root/usr/bin/gdbserver
+		$(HOST_DIR)/$(GNU_TARGET_NAME)/debug-root/usr/bin/gdbserver
 endef
 
 ifeq ($(BR2_PACKAGE_GDB_SERVER),y)