Remove int_prio argument from timer_register, and move the only use for it into alpine_cdc plugin, since this plugin is only built on SH7034

Also remove it from TIMER_START()

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21558 a1c6a512-1295-4272-9138-f99709370657
25 files changed