gensio: Fix build on build host with Go compiler

If the build host has the Go compiler installed, then configure will
detect this and will try to compile gensio's Go support, leading to a
build failure.

This disables Go support entirely to fix this build failure.

Signed-off-by: Jeffery To <jeffery.to@gmail.com>

net/gensio/Makefile

@@ -45,6 +45,7 @@ CONFIGURE_ARGS += \
 	--$(if $(CONFIG_GENSIO_PTHREADS),with,without)-pthreads \
 	--$(if $(CONFIG_GENSIO_GLIB),with,without)-glib \
 	--$(if $(CONFIG_GENSIO_TCL),with,without)-tcl \
+	--without-go \
 	--without-openipmi \
 	--with-cplusplus \
 	--disable-doc