doc: document Go 1.10.2

Change-Id: I84334dfd02ad9a27b3fb6d46a6b1c015a3f03511
Reviewed-on: https://go-review.googlesource.com/110335Reviewed-by: Filippo Valsorda <filippo@golang.org>

doc/devel/release.html

@@ -41,6 +41,13 @@ See the <a href="https://github.com/golang/go/issues?q=milestone%3AGo1.10.1">Go
 1.10.1 milestone</a> on our issue tracker for details.
 </p>
 
+<p>
+go1.10.2 (released 2018/05/01) includes fixes to the compiler, linker, and go
+command.
+See the <a href="https://github.com/golang/go/issues?q=milestone%3AGo1.10.2">Go
+1.10.2 milestone</a> on our issue tracker for details.
+</p>
+
 <h2 id="go1.9">go1.9 (released 2017/08/24)</h2>
 
 <p>