Remove duplicated words in documentation and comments

Let's avoid repeating single words here!

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20250313190527.1556019-1-thuth@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

CONTRIBUTING.md

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 940dd1a..48c8efd 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -2,7 +2,7 @@
 
 There are two ways to submit changes for dtc or libfdt:
 
-* Post patches directly to the the
+* Post patches directly to the
   [devicetree-compiler](mailto:devicetree-compiler@vger.kernel.org)
   mailing list.
 * Submit pull requests via

Documentation/dt-object-internal.txt

diff --git a/Documentation/dt-object-internal.txt b/Documentation/dt-object-internal.txt
index c7357e6..dbbbcea 100644
--- a/Documentation/dt-object-internal.txt
+++ b/Documentation/dt-object-internal.txt
@@ -6,7 +6,7 @@
 that need to dynamically insert Device Tree fragments into the
 live tree.
 
-This document explains the the Device Tree object format and
+This document explains the Device Tree object format and
 modifications made to the Device Tree compiler, which make it possible.
 
 1. Simplified Problem Definition

libfdt/libfdt.h

diff --git a/libfdt/libfdt.h b/libfdt/libfdt.h
index f2675b1..b5e7200 100644
--- a/libfdt/libfdt.h
+++ b/libfdt/libfdt.h
@@ -1569,7 +1569,7 @@
  * @fdt: pointer to the device tree blob
  * @name: name of property to add
  * @len: length of property value in bytes
- * @valp: returns a pointer to where where the value should be placed
+ * @valp: returns a pointer to where the value should be placed
  *
  * returns:
  *	0, on success