tpm: Use the ops structure instead of a copy in tpm_vendor_specific

This builds on the last commit to use the ops structure in the core
and reduce the size of tpm_vendor_specific.

Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Reviewed-by: Joel Schopp <jschopp@linux.vnet.ibm.com>
Reviewed-by: Ashley Lai <adlai@linux.vnet.ibm.com>
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>

drivers/char/tpm/tpm-sysfs.c

@@ -245,7 +245,7 @@ static ssize_t cancel_store(struct device *dev, struct device_attribute *attr,
 	if (chip == NULL)
 		return 0;
 
-	chip->vendor.cancel(chip);
+	chip->ops->cancel(chip);
 	return count;
 }
 static DEVICE_ATTR_WO(cancel);