libusb-compat: install libusb-config in host staging dir

A bunch of packages such as sispctl look for libusb-config to find it, install
libusb-config in staging_dir/*/host/bin which is in the TARGET_PATH.

Signed-off-by: Florian Fainelli <florian@openwrt.org>

SVN-Revision: 39975

package/libs/libusb-compat/Makefile

@@ -39,6 +39,7 @@ TARGET_CFLAGS += $(FPIC)
 
 define Build/InstallDev
 	$(CP) $(PKG_INSTALL_DIR)/* $(1)/
+	$(CP) $(PKG_INSTALL_DIR)/usr/bin/libusb-config $(STAGING_DIR)/host/bin
 endef
 
 define Package/libusb-compat/install