wlan-firmware: update to wlan-firmware-0.0.24

Signed-off-by: Stephan Raue <stephan@openelec.tv>
v4l-utils: remove at-visions remote patch, this must be done different, let us think about this

Signed-off-by: Stephan Raue <stephan@openelec.tv>
linux: add patch to fix ath9k_htc driver, see https://bugzilla.kernel.org/show_bug.cgi?id=78581 this fixes #3519

Signed-off-by: Stephan Raue <stephan@openelec.tv>