BaseTools/VolInfo: generate HASH value for each PE image

BaseTools/VolInfo: generate HASH value for each PE image

VolInfo Tool add new option --hash to use openssl to generate hash value
for each PE image. If the image base address is not zero, we will rebase
its base address to zero before generate hash value.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Yonghong Zhu <yonghong.zhu@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>