Fix border color for CL_DEPTH images

The PDF spec has the correct value.

Signed-off-by: Kevin Petit <kevin.petit@arm.com>
diff --git a/sdk/2.0/docs/man/sampler_t.xml b/sdk/2.0/docs/man/sampler_t.xml
index d96e828..b13e14f 100644
--- a/sdk/2.0/docs/man/sampler_t.xml
+++ b/sdk/2.0/docs/man/sampler_t.xml
@@ -272,7 +272,7 @@
           <listitem>
             <para>
               If the image channel order is <constant>CL_DEPTH</constant>,
-              the border value is 1.0f.
+              the border value is 0.0f.
             </para>
           </listitem>
 
diff --git a/sdk/2.0/docs/man/xhtml/sampler_t.html b/sdk/2.0/docs/man/xhtml/sampler_t.html
index b039079..becf6da 100644
--- a/sdk/2.0/docs/man/xhtml/sampler_t.html
+++ b/sdk/2.0/docs/man/xhtml/sampler_t.html
@@ -454,7 +454,7 @@
             <li class="listitem" style="list-style-type: disc">
               <p>
               If the image channel order is <code class="constant">CL_DEPTH</code>,
-              the border value is 1.0f.
+              the border value is 0.0f.
             </p>
             </li>
           </ul>
diff --git a/sdk/2.1/docs/man/sampler_t.xml b/sdk/2.1/docs/man/sampler_t.xml
index 1bed3c1..c11cca0 100644
--- a/sdk/2.1/docs/man/sampler_t.xml
+++ b/sdk/2.1/docs/man/sampler_t.xml
@@ -279,7 +279,7 @@
           <listitem>
             <para>
               If the image channel order is <constant>CL_DEPTH</constant>,
-              the border value is 1.0f.
+              the border value is 0.0f.
             </para>
           </listitem>
 
diff --git a/sdk/2.1/docs/man/xhtml/sampler_t.html b/sdk/2.1/docs/man/xhtml/sampler_t.html
index 461fb78..eb7678f 100644
--- a/sdk/2.1/docs/man/xhtml/sampler_t.html
+++ b/sdk/2.1/docs/man/xhtml/sampler_t.html
@@ -460,7 +460,7 @@
             <li class="listitem" style="list-style-type: disc">
               <p>
               If the image channel order is <code class="constant">CL_DEPTH</code>,
-              the border value is 1.0f.
+              the border value is 0.0f.
             </p>
             </li>
           </ul>