scripts/unpack: simplyfing patching

Signed-off-by: Stephan Raue <stephan@openelec.tv>
alsa-utils: set mixer on more cards, thanks to 'fritsch' and 'seo'

Signed-off-by: Stephan Raue <stephan@openelec.tv>
lm_sensors: strip target binary
syslinux: strip target binaries
strace: convert to addon
strace: remove package, moved to unofficial addon repo

Signed-off-by: Stephan Raue <stephan@openelec.tv>
alsa-utils: fix soundconfig script, thanks to 'seo'

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