urg: handle config scripts properly

urg installs two <foo>-config scripts, so the ones installed in
$(STAGING_DIR) should be fixed up, and the ones installed in
$(TARGET_DIR) should be removed. Use the <pkg>_CONFIG_SCRIPTS
infrastructure to do this.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/urg/urg.mk

@@ -17,6 +17,8 @@ URG_DEPENDENCIES = sdl sdl_net
 URG_CONF_OPT = --with-sdl-prefix=$(STAGING_DIR)/usr \
 		--with-sdl-exec-prefix=$(STAGING_DIR)/usr
 
+URG_CONFIG_SCRIPTS = c_urg-config urg-config
+
 define URG_EXTRACT_CMDS
 	$(RM) -rf $(URG_DIR)
 	unzip -q -d $(BUILD_DIR)/ $(DL_DIR)/$(URG_SOURCE)