glibc: fixed stage 0 to not use the cpuid.h workaround if gcc 4.6 or 4.7 is installed on the build host

base/glibc/glibc.conf

@@ -26,7 +26,7 @@ if atstage toolchain; then
 	var_append SYSCPP_WRAPPER_REMOVE ' ' '-mabi*'
 
 	# if $HOSTCC is a gcc < 4.3 we need 'cpuid.h'
-	if ! $HOSTCC -dumpversion | grep -q '^4\.[345]' ; then
+	if ! $HOSTCC -dumpversion | grep -q '^4\.[3-7]' ; then
 		echo_warning "Old gcc detected: Working around cpuid.h support"
 		var_append SYSCC_WRAPPER_APPEND ' ' "-I$confdir/include-old-gcc"
 	fi