Fix misc Kconfig typos

Fix various Kconfig typos.

Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index 5f1b9f5..d0ba112 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -27,7 +27,7 @@
 	  smaller speedup on single processor machines.
 
 	  But it can also cause lots of bad things to happen.  A number
-	  of PCI drivers can not properly handle running in this way,
+	  of PCI drivers cannot properly handle running in this way,
 	  some will just not work properly at all, while others might
 	  decide to blow up power supplies with a huge load all at once,
 	  so use this option at your own risk.