ncurses: speed up host build

Disable C++ and Ada bindings in host-ncurses, since those are not
needed. Save 9 seconds of build time on my laptop.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/ncurses/ncurses.mk

@@ -117,7 +117,10 @@ endef
 
 HOST_NCURSES_CONF_OPT = \
 	--without-shared --without-gpm \
-	--without-manpages
+	--without-manpages \
+	--without-cxx \
+	--without-cxx-binding \
+	--without-ada
 
 $(eval $(autotools-package))
 $(eval $(host-autotools-package))