edk2 security update

[1:1.2-5.el7]

• Update spec file to remove ‘modprobe kvm-intel’ and remove --enable-kvm arg to ovmf_vars_generator so qemu will not require kvm kernel module. (Aaron Young)
• Update spec file to modprobe kvm_intel module prior to running qemu to enroll default keys. (Aaron Young)
• Enroll Oracle cert/key for OL secureboot support. (Aaron Young)
  [1:1.2-2.el7]
• Change Image.c image load error to DEBUG_WARN from DEBUG_ERROR since it is normal for some images to fail to load if the associated hardware is not present. Such is the case with Ramfb. (Aaron Young) [Orabug: 28868674]
• Fix AAVMF build. Pull in OpenSSL code (as is done for x86_64) (Aaron Young)
• Update AAVMF change log for version 1.2 (Aaron Young)
  [1:1.2-1.el7]
• Update spec files and OVMF change log to version 1.2