Fix build after removing a bunch of stuff.

rust/sys/denali/denali.yunq

@@ -0,0 +1,28 @@
+interface Denali {
+  method Read(ReadRequest) -> (ReadResponse); 
+  method ReadMany(ReadManyRequest) -> (ReadResponse);
+}
+
+message DiskBlock {
+  u64 lba;
+  u64 size;
+}
+
+message ReadRequest {
+  u64 device_id;
+  DiskBlock block;
+}
+
+
+message ReadManyRequest {
+  u64 device_id;
+  repeated DiskBlock blocks;
+}
+
+message ReadResponse {
+  u64 device_id;
+  u64 size;
+  capability memory;
+}
+
+