Add intel hardware assisted crc32c support

Not tested, since I don't have the hardware.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/fio.h b/fio.h
index ec8d593..22aaf34 100644
--- a/fio.h
+++ b/fio.h
@@ -196,6 +196,7 @@
 	VERIFY_CRC64,			/* crc64 sum data blocks */
 	VERIFY_CRC32,			/* crc32 sum data blocks */
 	VERIFY_CRC32C,			/* crc32c sum data blocks */
+	VERIFY_CRC32C_INTEL,		/* crc32c sum data blocks with hw */
 	VERIFY_CRC16,			/* crc16 sum data blocks */
 	VERIFY_CRC7,			/* crc7 sum data blocks */
 	VERIFY_SHA256,			/* sha256 sum data blocks */