trivial: fix typos s/paramter/parameter/ and s/excute/execute/ in documentation and source comments.

Signed-off-by: Martin Olsson <martin@minimum.se>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index 94919ad..fa22f94 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -2864,7 +2864,7 @@
 /**
  *	ata_set_mode - Program timings and issue SET FEATURES - XFER
  *	@link: link on which timings will be programmed
- *	@r_failed_dev: out paramter for failed device
+ *	@r_failed_dev: out parameter for failed device
  *
  *	Set ATA device disk transfer mode (PIO3, UDMA6, etc.).  If
  *	ata_set_mode() fails, pointer to the failing device is