video: fbdev: nvidia: fix spelling mistake: "scaleing" -> "scaling"

Trivial fix to spelling mistake in module parameter description text.
Signed-off-by: NColin Ian King <colin.king@canonical.com>
Cc: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: NBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>

drivers/video/fbdev/nvidia/nvidia.c

@@ -1548,7 +1548,7 @@ MODULE_PARM_DESC(noaccel,
 		 "(default=0)");
 module_param(noscale, int, 0);
 MODULE_PARM_DESC(noscale,
-		 "Disables screen scaleing. (0 or 1=disable) "
+		 "Disables screen scaling. (0 or 1=disable) "
 		 "(default=0, do scaling)");
 module_param(paneltweak, int, 0);
 MODULE_PARM_DESC(paneltweak,