When running OpenWrt within KVM KEY_POWER is generated from the ACPI
button driver when restarting or powering down the VM.
Extend button-hotplug to allow user space handlers for these events.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Patchwork: http://patchwork.openwrt.org/patch/3799/
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37160 3c298f89-4303-0410-b956-a3cf2f4a3e73
John Crispin
Felix Fietkau