misc: genwqe: card_base: Fix some kernel-doc warnings

Fixes the following W=1 kernel build warning(s):
  drivers/misc/genwqe/card_base.c:3: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst

Signed-off-by: Bo Liu <liubo03@inspur.com>
Link: https://lore.kernel.org/r/20221031063557.2710-1-liubo03@inspur.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>