[package] ubi-utils: fix typo

Signed-off-by: Luka Perkov <luka@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@40751 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/utils/ubi-utils/Makefile

@@ -26,7 +26,7 @@ PKG_LICENSE:=GPLv2
 PKG_LICENSE_FILES:=
 
 PKG_MAINTAINER:=John Crispin <blogic@openwrt.org>
-PKG_BUILD_DIR:=$(BUILD_DIR)/usb-utils/$(PKG_NAME)-$(PKG_VERSION)
+PKG_BUILD_DIR:=$(BUILD_DIR)/ubi-utils/$(PKG_NAME)-$(PKG_VERSION)
 
 include $(INCLUDE_DIR)/package.mk