docs: Fix missing reference for spi and i2c ports

ajaybhargav · ajaybhargav · commit ecf575d97224 · 2021-08-05T12:28:29.000+05:30
Signed-off-by: Ajay Bhargav &lt;contact@rickeyworld.info&gt;
diff --git a/docs/book/api/peri/i2c.rst b/docs/book/api/peri/i2c.rst
@@ -24,4 +24,5 @@ API Reference
 -------------
 
 .. include:: /inc/i2c.inc
+.. include:: /inc/def_i2c.inc
 
diff --git a/docs/book/api/peri/spi.rst b/docs/book/api/peri/spi.rst
@@ -29,4 +29,5 @@ API Reference
 -------------
 
 .. include:: /inc/spi.inc
+.. include:: /inc/def_spi.inc
 
