Coldfire: Partially revert buffered writes, and enable them explicitly for the LCD only. Turned out that with buffered writes enabled, reads after writes are not always serialized, which is a bad thing for I/O. Buffered writes to the LCD are safe because that's write-only. Fixes FS #7985. How come I didn't notice this earlier? :>

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15173 a1c6a512-1295-4272-9138-f99709370657
4 files changed