support/kconfig: Fix typo in README.buildroot.

Fix typo in README.buildroot (s/config/kconfig/).

Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Acked-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

support/kconfig/README.buildroot

@@ -3,12 +3,12 @@ to suit Buildroot.
 
 To update:
 	cp -r /usr/src/linux/scripts/kconfig support/kconfig.new
-	cd support/config.new
+	cd support/kconfig.new
 	cp -a ../kconfig/patches ../kconfig/README.buildroot .
 	quilt push -a
 	# Fix any conflict
 	cd ..
-	rm -rf config
+	rm -rf kconfig
 	mv kconfig.new kconfig
 
 Then verify the toplevel targets work: