FmpDevicePkg/FmpDxe: Use new Variable Lock interface

FmpDevicePkg/FmpDxe: Use new Variable Lock interface

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3655
The code in FmpDevicePkg call the deprecated interface
VariableLockRequestToLockc. So I changed the code in
FmpDevicePkg using RegisterBasicVariablePolicy, instead
of the deprecated interface.

Signed-off-by: Yang Jie <jie.yang@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Guomin Jiang <guomin.jiang@intel.com>
Cc: Wei6 Xu <wei6.xu@intel.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
Reviewed-by: Wei6 Xu <wei6.xu@intel.com>