accessiblity: speakup: cleanup comments

Replace for spelling
keypresses to key presses
bytesize to byte size
specificly to specifically

Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20220329195401.3220408-1-trix@redhat.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>