crypto: qat - ratelimit invalid ioctl message and print the invalid cmd

Currently incorrect QAT ioctls can spam the kernel log with error messages
of the form "QAT: Invalid ioctl" if a userspace program uses the wrong
ioctl command. Quench the messages by ratelimiting them and also print
the invalid command being used as that is useful to know.

Signed-off-by: Colin Ian King <[e-mail]>
Acked-by: Giovanni Cabiddu <[e-mail]>
Signed-off-by: Herbert Xu <[e-mail]>

drivers/crypto/qat/qat_common/adf_ctl_drv.c

···
 		ret = adf_ctl_ioctl_get_status(fp, cmd, arg);
 		break;
 	default:
-		pr_err("QAT: Invalid ioctl\n");
+		pr_err_ratelimited("QAT: Invalid ioctl %d\n", cmd);
 		ret = -EFAULT;
 		break;
 	}