The SRP sysfs attribute is dependent on gadget mode; any
gadget may support SRP.  But "rmmod musb_hdrc" didn't
remove that attribute; fix.
Signed-off-by: NVikram Pandita <vikram.pandita@ti.com>
Acked-by: NFelipe Balbi <me@felipebalbi.com>
Signed-off-by: NDavid Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>