Fix the typo for the structure definition of EFI_ADAPTER_INFO_NETWORK_BOOT in AdapterInformation.

Signed-off-by: Shumin Qiu <shumin.qiu@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: svn://svn.code.sf.net/p/edk2/code/trunk/edk2/MdePkg@15187 6f19259b-4bc3-4df7-8a09-765794883524