[ros-diffs] [ion] 24666: - Add lpc\ntlpc directory when NTLPC = 1. - Add function stubs in appropriate files. - Implement NtConnectPort (stub to NtSecureConnectPort). Implement NtReplyWaitReceivePort (stub to NtReplyWaitReceivePortEx). Everything else is unimplemented. - Implement LpcpInitSystem and object callbacks LpcpDeletePort and LpcpClosePort. - Add internal lpc.h header.