remove make W=1 warnings

drivers/base/devcoredump.c:208: warning:
Function parameter or member 'data' not described in
'devcd_free_sgtable'

drivers/base/devcoredump.c:208: warning:
Excess function parameter 'table' description in 'devcd_free_sgtable'

drivers/base/devcoredump.c:225: warning:
expecting prototype for devcd_read_from_table(). Prototype was for
devcd_read_from_sgtable() instead
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20210331232614.304591-8-pierre-louis.bossart@linux.intel.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>