Staging: w35und: move struct wbsoft_priv to core.h and use it

This patch removes my_adapter global variable from wbusb.c by adding a
->adapter member to struct wbsoft_priv.

Acked-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --cc drivers/staging/winbond/core.h
Simple merge

diff --cc drivers/staging/winbond/wbusb.c
Simple merge