drivers/usb annotations and fixes

* endianness annotations
* endianness fixes
* missing get_unaligned/put_unaligned

It's pretty much all over the place, changes to different files are independent.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Serial-parts-Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/usb/gadget/dummy_hcd.c

@@ -1555,8 +1555,7 @@ hub_descriptor (struct usb_hub_descriptor *desc)
 	memset (desc, 0, sizeof *desc);
 	desc->bDescriptorType = 0x29;
 	desc->bDescLength = 9;
-	desc->wHubCharacteristics = (__force __u16)
-			(__constant_cpu_to_le16 (0x0001));
+	desc->wHubCharacteristics = cpu_to_le16(0x0001);
 	desc->bNbrPorts = 1;
 	desc->bitmap [0] = 0xff;
 	desc->bitmap [1] = 0xff;