linux-imx

block: remove the CONFIG_BLOCK ifdef in blk_types.h

Now that we have a separate header for struct bio_vec there is absolutely
no excuse for including this header from non-block I/O code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>