platform/x86/intel/ifs: Validate image size

mainline inclusion
from mainline-v6.7-rc1
commit 25a76dbb36dd58ad4df7f6a4dc43061a10b0d817
category: feature
bugzilla: https://gitee.com/openeuler/intel-kernel/issues/I8RCIK
CVE: N/A
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=25a76dbb36dd58ad4df7f6a4dc43061a10b0d817



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Intel-SIG: commit 25a76dbb36dd ("platform/x86/intel/ifs: Validate image size")
Backport to support IFS SAF & Array BIST on GNR & SRF

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Perform additional validation prior to loading IFS image.

Error out if the size of the file being loaded doesn't match the size
specified in the header.

Signed-off-by: Jithu Joseph <jithu.joseph@intel.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Tested-by: Pengfei Xu <pengfei.xu@intel.com>
Link: https://lore.kernel.org/r/20231005195137.3117166-6-jithu.joseph@intel.com


Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Aichun Shi <aichun.shi@intel.com>