kconfig: fix typo "mconfig" to "menuconfig" in a comment

Signed-off-by: Markus Heidelberg <markus.heidelberg@web.de>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index fa8c2dd..47e3f2e 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -104,7 +104,7 @@
 # ===========================================================================
 # Shared Makefile for the various kconfig executables:
 # conf:	  Used for defconfig, oldconfig and related targets
-# mconf:  Used for the mconfig target.
+# mconf:  Used for the menuconfig target
 #         Utilizes the lxdialog package
 # qconf:  Used for the xconfig target
 #         Based on QT which needs to be installed to compile it