Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/sound/oss/vidc.c b/sound/oss/vidc.c
index f0e0caa..12ba28e 100644
--- a/sound/oss/vidc.c
+++ b/sound/oss/vidc.c
@@ -227,7 +227,7 @@
 		} else {
 			/*printk("VIDC: internal %d %d %d\n", rate, rate_int, hwrate);*/
 			hwctrl=0x00000003;
-			/* Allow rougly 0.4% tolerance */
+			/* Allow roughly 0.4% tolerance */
 			if (diff_int > (rate/256))
 				rate=rate_int;
 		}