btmrvl_sdio: fix typo 'btmrvl_sdio_sd6888'

It should be 'btmrvl_sdio_sd8688', of course.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
1 file changed