This patch fixes a small issue where modinfo says the parameter "trace" is always available, while
it only works if CONFIG_USB_PWC_DEBUG is enabled.
Signed-off-by: NAndrea Odetti <mariofutire@googlemail.com>
Signed-off-by: NDouglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>