Trivial fix to spelling mistake in seq_printf message.
Fixes: a8b9370fc7 ("drm/i915/guc: Dump the GuC stage descriptor pool in debugfs")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170516092235.28640-1-colin.king@canonical.com