Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 9483acd..e0e0787 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -402,7 +402,7 @@
 	depends on USB_FHCI_HCD && DEBUG_FS
 	help
 	  Say "y" to see some FHCI debug information and statistics
-	  throught debugfs.
+	  through debugfs.
 
 config USB_U132_HCD
 	tristate "Elan U132 Adapter Host Controller"