Only reload hostname and timezone config on /etc/init.d/boot restart.
Module loading and basic boot setup is only done during boot.

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38670 3c298f89-4303-0410-b956-a3cf2f4a3e73