[media] media: s5p-mfc Fix misspelled error message and checkpatch errors

Fix misspelled error message and existing checkpatch errors in the
error message conditional.

WARNING: suspect code indent for conditional statements (8, 24)
        if (ctx->state != MFCINST_HEAD_PARSED &&
[...]
        mfc_err("Can not get crop information\n");

Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>