CryptoPkg/BaseCryptLib: Add MARCO to disable the deprecated SHA1

CryptoPkg/BaseCryptLib: Add MARCO to disable the deprecated SHA1

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1682

SHA1 is deprecated but it is required for compatible issue.
So add a MARCO for the platform to disable the usage of SHA1 for
security.

Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Xiaoyu Lu <xiaoyux.lu@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Siyuan Fu <siyuan.fu@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Signed-off-by: Zhichao Gao <zhichao.gao@intel.com>
Reviewed-by: Jian J Wang <jian.j.wang@intel.com>