ttf-arphic-uming: remove whitespace from license

The whitespace in LICENSE causes bitbake to parse this as three separate
licenses: 'Arphic', 'Public' and 'License'. These spaces are replaced with
dashes to prevent confusion.

Signed-off-by: Paul Barker <paul@paulbarker.me.uk>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>