drm: kselftest: fix spelling mistake: "misalinged" -> "misaligned"

trivial fix to spelling mistake in pr_err message
Signed-off-by: NColin Ian King <colin.king@canonical.com>
Reviewed-by: NChris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170223000717.8898-1-colin.king@canonical.com

drivers/gpu/drm/selftests/test-drm_mm.c

@@ -181,7 +181,7 @@ static bool assert_node(struct drm_mm_node *node, struct drm_mm *mm,
 	}
 
 	if (misalignment(node, alignment)) {
-		pr_err("node is misalinged, start %llx rem %llu, expected alignment %llu\n",
+		pr_err("node is misaligned, start %llx rem %llu, expected alignment %llu\n",
 		       node->start, misalignment(node, alignment), alignment);
 		ok = false;
 	}