IntelSiliconPkg/IntelPciDeviceSecurityDxe: Replace ASSERT_EFI_ERROR

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2589



According to code logic, it just judge the condition rather than the
status, it should use the ASSERT rather than ASSERT_EFI_ERROR.

Cc: Ray Ni <ray.ni@intel.com>
Cc: Rangasai V Chaganty <rangasai.v.chaganty@intel.com>
Signed-off-by: Guomin Jiang <guomin.jiang@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Bret Barkelew <bret.barkelew@microsoft.com>