dmaengine: idxd: convert sprintf() to sysfs_emit() for all usages

mainline inclusion
from mainline-v5.13
commit 8241571f
category: feature
bugzilla: https://gitee.com/openeuler/intel-kernel/issues/I596WO


CVE: NA

Intel-SIG: commit 8241571f dmaengine: idxd: convert sprintf() to sysfs_emit() for all usages.
Incremental backporting patches for DSA/IAA on Intel Xeon platform.

--------------------------------

Convert sprintf() to sysfs_emit() in order to check buffer overrun on sysfs
outputs.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/161894440044.3202472.13926639619695319753.stgit@djiang5-desk3.ch.intel.com


Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Xiaochen Shen <xiaochen.shen@intel.com>