HID: use hid_hw_wait() instead of direct call to usbhid

This removes most of the dependencies between hid drivers and usbhid.

The patch was constructed by replacing all occurences of
usbhid_wait_io() by its hid_hw_wait() counterpart.
Then, drivers not requiring USB_HID anymore have their USB_HID
dependency cleaned in the Kconfig file.

As of today, few drivers are still requiring an explicit USB layer
dependency:
* ntrig (a patch is on its way)
* multitouch (one patch following and another on its way)
* lenovo tpkbd
* roccat
* sony

The last three are two deeply using direct calls to the usb subsystem
to be able to be cleaned right now.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/hid-picolcd_fb.c b/drivers/hid/hid-picolcd_fb.c
index 98f61de..591f6b2 100644
--- a/drivers/hid/hid-picolcd_fb.c
+++ b/drivers/hid/hid-picolcd_fb.c
@@ -19,7 +19,6 @@
 
 #include <linux/hid.h>
 #include <linux/vmalloc.h>
-#include "usbhid/usbhid.h"
 
 #include <linux/fb.h>
 #include <linux/module.h>
@@ -269,7 +268,7 @@
 				mutex_unlock(&info->lock);
 				if (!data)
 					return;
-				usbhid_wait_io(data->hdev);
+				hid_hw_wait(data->hdev);
 				mutex_lock(&info->lock);
 				n = 0;
 			}
@@ -287,7 +286,7 @@
 		spin_unlock_irqrestore(&fbdata->lock, flags);
 		mutex_unlock(&info->lock);
 		if (data)
-			usbhid_wait_io(data->hdev);
+			hid_hw_wait(data->hdev);
 		return;
 	}
 out: