Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>

drivers/usb/misc/iowarrior.c

@@ -40,7 +40,7 @@
 #ifdef CONFIG_USB_DYNAMIC_MINORS
 #define IOWARRIOR_MINOR_BASE	0
 #else
-#define IOWARRIOR_MINOR_BASE	208	// SKELETON_MINOR_BASE 192 + 16, not offical yet
+#define IOWARRIOR_MINOR_BASE	208	// SKELETON_MINOR_BASE 192 + 16, not official yet
 #endif
 
 /* interrupt input queue size */