of: base: Fix some formatting issues and provide missing descriptions

of: base: Fix some formatting issues and provide missing descriptions

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

 drivers/of/base.c:315: warning: Function parameter or member 'cpun' not described in '__of_find_n_match_cpu_property'
 drivers/of/base.c:315: warning: Function parameter or member 'prop_name' not described in '__of_find_n_match_cpu_property'
 drivers/of/base.c:315: warning: Function parameter or member 'cpu' not described in '__of_find_n_match_cpu_property'
 drivers/of/base.c:315: warning: Function parameter or member 'thread' not described in '__of_find_n_match_cpu_property'
 drivers/of/base.c:315: warning: expecting prototype for property holds the physical id of the(). Prototype was for __of_find_n_match_cpu_property() instead
 drivers/of/base.c:1139: warning: Function parameter or member 'match' not described in 'of_find_matching_node_and_match'
 drivers/of/base.c:1779: warning: Function parameter or member 'np' not described in '__of_add_property'
 drivers/of/base.c:1779: warning: Function parameter or member 'prop' not described in '__of_add_property'
 drivers/of/base.c:1800: warning: Function parameter or member 'np' not described in 'of_add_property'
 drivers/of/base.c:1800: warning: Function parameter or member 'prop' not described in 'of_add_property'
 drivers/of/base.c:1849: warning: Function parameter or member 'np' not described in 'of_remove_property'
 drivers/of/base.c:1849: warning: Function parameter or member 'prop' not described in 'of_remove_property'
 drivers/of/base.c:2137: warning: Function parameter or member 'dn' not described in 'of_console_check'
 drivers/of/base.c:2137: warning: Function parameter or member 'name' not described in 'of_console_check'
 drivers/of/base.c:2137: warning: Function parameter or member 'index' not described in 'of_console_check'

Cc: Rob Herring <robh+dt@kernel.org>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: devicetree@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210318104036.3175910-5-lee.jones@linaro.org