misc: enclosure: Fix some kerneldoc anomalies

misc: enclosure: Fix some kerneldoc anomalies

Firstly some missing function argument documentation, then some
whch are present, but are incorrectly named.

Fixes the following W=1 kernel build warnings:

 drivers/misc/enclosure.c:115: warning: Function parameter or member 'name' not described in 'enclosure_register'
 drivers/misc/enclosure.c:115: warning: Function parameter or member 'cb' not described in 'enclosure_register'
 drivers/misc/enclosure.c:283: warning: Function parameter or member 'number' not described in 'enclosure_component_alloc'
 drivers/misc/enclosure.c:283: warning: Excess function parameter 'num' description in 'enclosure_component_alloc'
 drivers/misc/enclosure.c:363: warning: Function parameter or member 'component' not described in 'enclosure_add_device'
 drivers/misc/enclosure.c:363: warning: Excess function parameter 'num' description in 'enclosure_add_device'
 drivers/misc/enclosure.c:398: warning: Function parameter or member 'dev' not described in 'enclosure_remove_device'
 drivers/misc/enclosure.c:398: warning: Excess function parameter 'num' description in 'enclosure_remove_device'

Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20200701085853.164358-12-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>