Keep clippy happy.

Author: rcls

src/generate/peripheral.rs

@@ -607,7 +607,7 @@ fn cluster_size_in_bits(
         // will get expanded in expand_cluster below.  The overall size
         // then ends at the last array entry.
         Cluster::Array(info, dim) => {
-            if dim.dim <= 0 {
+            if dim.dim == 0 {
                 return Ok(0); // Special case!
             }
             let last_offset = (dim.dim - 1) * dim.dim_increment * BITS_PER_BYTE;