wifi: rename the "reload" (restarting non-netifd wifi) command to "reload_legacy"

Add a new "reload" command that reloads the netifd config as well

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38989 3c298f89-4303-0410-b956-a3cf2f4a3e73
wifi: restart netifd wifi interfaces on the "up" command like the old variant

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38990 3c298f89-4303-0410-b956-a3cf2f4a3e73