disable some packages for foxg20, and try to fix again uclibc++ patch

package/cpufrequtils/Makefile

@@ -11,7 +11,7 @@ PKG_DESCR:=		utilities for the Linux kernel cpufreq subsystem
 PKG_SECTION:=		utils
 PKG_URL:=		http://www.kernel.org/pub/linux/utils/kernel/cpufreq/cpufrequtils.html
 PKG_SITES:=		http://www.kernel.org/pub/linux/utils/kernel/cpufreq/
-PKG_TARGET_DEPENDS:=	!foxboard
+PKG_TARGET_DEPENDS:=	!foxboard !foxg20
 
 include $(TOPDIR)/mk/package.mk
 

package/xterm/Makefile

@@ -14,7 +14,7 @@ PKG_URL:=		http://invisible-island.net/xterm/xterm.html
 PKG_SITES:=		ftp://invisible-island.net/xterm/
 
 DISTFILES:=             ${PKG_NAME}-${PKG_VERSION}.tgz
-PKG_TARGET_DEPENDS:=	!foxboard
+PKG_TARGET_DEPENDS:=	!foxboard !foxg20
 
 include $(TOPDIR)/mk/package.mk