linux: update to linux-3.13.0-rc7

Signed-off-by: Stephan Raue <stephan@openelec.tv>
dvb-firmware: convert to new package format

Signed-off-by: Stephan Raue <stephan@openelec.tv>
misc-firmware: convert to new package format

Signed-off-by: Stephan Raue <stephan@openelec.tv>
wlan-firmware: convert to new package format

Signed-off-by: Stephan Raue <stephan@openelec.tv>
linux-firmware: convert to new package format

Signed-off-by: Stephan Raue <stephan@openelec.tv>
sed: force disabling ACLK and selinux support

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