altera-stapl: remove the unreached switch case

The value of the variable status must be one of the 0, -EIO and -EILSEQ, so
the switch case -ENODATA is unreached. Remove it.
Reported-by: NTosk Robot <tencent_os_robot@tencent.com>
Signed-off-by: NKaixu Xia <kaixuxia@tencent.com>
Link: https://lore.kernel.org/r/1605284071-6901-1-git-send-email-kaixuxia@tencent.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/misc/altera-stapl/altera.c

@@ -2265,11 +2265,6 @@ static int altera_check_crc(u8 *p, s32 program_size)
 				"actual %04x\n", __func__, local_expected,
 				local_actual);
 			break;
-		case -ENODATA:
-			printk(KERN_ERR "%s: expected CRC not found, "
-				"actual CRC = %04x\n", __func__,
-				local_actual);
-			break;
 		case -EIO:
 			printk(KERN_ERR "%s: error: format isn't "
 				"recognized.\n", __func__);