remove logo.rle

not used, logo is in bootloader

Signed-off-by: Adam Farden <adam@farden.cz>
fstab: don't try to mount non-existant modem partition

widely known init bug causes ALL mounts to fail when one fails

Signed-off-by: Adam Farden <adam@farden.cz>
thermanager: fix typos, adjust for device specific sysfs

Thermanager now does its job without spamming log with errors.
TODO: adjust thermal thresholds as they may be too aggressive

Signed-off-by: Adam Farden <adam@farden.cz>