Add UEFI RNG Protocol support. The driver will leverage Intel Secure Key technology to produce the Random Number Generator protocol, which is used to provide high-quality random numbers for use in applications, or entropy for seeding other random number generators. Refer to http://software.intel.com/en-us/articles/intel-digital-random-number-generator-drng-software-implementation-guide/ for more information about Intel Secure Key technology.

Signed-off-by: Long, Qin <qin.long@intel.com>
Reviewed-by: Fu, Siyuan <siyuan.fu@intel.com>
Reviewed-by: Rosenbaum, Lee G <lee.g.rosenbaum@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14858 6f19259b-4bc3-4df7-8a09-765794883524