Input: drv2665 - fix formatting expected by kernel-doc

Input: drv2665 - fix formatting expected by kernel-doc

Fixes the following W=1 kernel build warning(s):

 drivers/input/misc/drv2665.c:59: warning: Function parameter or member 'input_dev' not described in 'drv2665_data'
 drivers/input/misc/drv2665.c:59: warning: Function parameter or member 'client' not described in 'drv2665_data'
 drivers/input/misc/drv2665.c:59: warning: Function parameter or member 'regmap' not described in 'drv2665_data'
 drivers/input/misc/drv2665.c:59: warning: Function parameter or member 'work' not described in 'drv2665_data'
 drivers/input/misc/drv2665.c:59: warning: Function parameter or member 'regulator' not described in 'drv2665_data'

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20201104162427.2984742-18-lee.jones@linaro.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>