kbuild: Fix LOADLIBES rename in Documentation/kbuild/makefiles.txt

Fixes: 8377bd2b ("kbuild: Rename HOST_LOADLIBES to KBUILD_HOSTLDLIBS")
Signed-off-by: Michal Suchanek <msuchanek@suse.de>
Acked-by: Laura Abbott <labbott@redhat.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

Documentation/kbuild/makefiles.txt

@@ -680,7 +680,7 @@ Both possibilities are described in the following.
 
 	Example:
 		#scripts/kconfig/Makefile
-		HOSTLOADLIBES_qconf := -L$(QTDIR)/lib
+		HOSTLDLIBS_qconf := -L$(QTDIR)/lib
 
 	When linking qconf, it will be passed the extra option
 	"-L$(QTDIR)/lib".