gpm: Depend on /dev/input/mice

(cherry picked from commit 685ca50650a466a32358db32c846aa0b452b27bf)
cpufreq: Don't fail if the CPU doesn't support frequency setting

(cherry picked from commit f5cd4eef1136c617ef66e40191e1333261102bc5)
wpa_supplicant: Restart when wlan devices (dis)appear

(cherry picked from commit cbfba813fe22b80e82bfa6fd5c10db6624130774)