enable tac and tsort

Config.in

@@ -22,10 +22,11 @@ config ADK_DEVELSYSTEM
 	default n
 	select BUSYBOX_CMP
 	select BUSYBOX_EXPR
+	select BUSYBOX_INSTALL
 	select BUSYBOX_MKTEMP
 	select BUSYBOX_UNZIP
+	select BUSYBOX_TAC
 	select BUSYBOX_TEE
-	select BUSYBOX_INSTALL
 	select ADK_PACKAGE_AUTOCONF
 	select ADK_PACKAGE_AUTOMAKE
 	select ADK_PACKAGE_BASH
@@ -48,8 +49,10 @@ config ADK_DEVELSYSTEM
 	select ADK_PACKAGE_MAKE
 	select ADK_PACKAGE_MKSH
 	select ADK_PACKAGE_PATCH
+	select ADK_PACKAGE_PKG_CONFIG
 	select ADK_PACKAGE_MICROPERL
 	select ADK_PACKAGE_TAR
+	select ADK_PACKAGE_TSORT
 	select ADK_PACKAGE_WGET
 	select ADK_PACKAGE_ZLIB
 	select ADK_PACKAGE_ZLIB_DEV