Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/block/genhd.c b/block/genhd.c
index c91a2da..b364bd0 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -739,7 +739,7 @@
 
 		/*
 		 * Don't show empty devices or things that have been
-		 * surpressed
+		 * suppressed
 		 */
 		if (get_capacity(disk) == 0 ||
 		    (disk->flags & GENHD_FL_SUPPRESS_PARTITION_INFO))