misc: genwqe: card_base: Provide documentation for genwqe_recover_card()'s args

genwqe_recover_card()'s function arguments were missing from its
kerneldoc header.  Provide descriptions for 'cd' and 'fatal_err'.

Fixes the following kernel build W=1 warning:

 drivers/misc/genwqe/card_base.c:588: warning: Function parameter or member 'cd' not described in 'genwqe_recover_card'
 drivers/misc/genwqe/card_base.c:588: warning: Function parameter or member 'fatal_err' not described in 'genwqe_recover_card'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Frank Haverkamp <haver@linux.ibm.com>
Link: https://lore.kernel.org/r/20200701085853.164358-18-lee.jones@linaro.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/misc/genwqe/card_base.c

@@ -569,6 +569,8 @@ static int genwqe_stop(struct genwqe_dev *cd)
 
 /**
  * genwqe_recover_card() - Try to recover the card if it is possible
+ * @cd: GenWQE device information
+ * @fatal_err: Indicate whether to attempt soft reset
  *
  * If fatal_err is set no register access is possible anymore. It is
  * likely that genwqe_start fails in that situation. Proper error