Fix "frist", "fisrt", typos

Signed-off-by: Uwe Zeisberger <Uwe_Zeisberger@digi.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 0d65394..62b6f9d 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -2137,7 +2137,7 @@
 			break;
 		}
 
-		/* Get the frist entry from the Request Q */ 
+		/* Get the first entry from the Request Q */ 
 		removeQ(&(h->reqQ), c);
 		h->Qdepth--;