Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index bd80f63..5129ed6 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -263,7 +263,7 @@
 	 *	This happens to include the IDE controllers....
 	 *
 	 *	VIA only apply this fix when an SB Live! is present but under
-	 *	both Linux and Windows this isnt enough, and we have seen
+	 *	both Linux and Windows this isn't enough, and we have seen
 	 *	corruption without SB Live! but with things like 3 UDMA IDE
 	 *	controllers. So we ignore that bit of the VIA recommendation..
 	 */
@@ -2680,7 +2680,7 @@
  * This is a quirk for the Ricoh MMC controller found as a part of
  * some mulifunction chips.
 
- * This is very similiar and based on the ricoh_mmc driver written by
+ * This is very similar and based on the ricoh_mmc driver written by
  * Philip Langdale. Thank you for these magic sequences.
  *
  * These chips implement the four main memory card controllers (SD, MMC, MS, xD)