manual/user guide/customization: rename section 'Customizing packages'

This small patch renames the section 'Customizing packages' to 'Adding
project-specific patches'. Additionally, a minor change is done to the
introduction of this section.
To better reflect the contents, the source file is renamed.

Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

docs/manual/customize-packages.txt → docs/manual/customize-patches.txt

@@ -1,11 +1,12 @@
 // -*- mode:doc -*- ;
 
-[[packages-custom]]
-=== Customizing packages
+[[customize-patches]]
+=== Adding project-specific patches
 
-It is sometimes useful to apply 'extra' patches to packages - over and
-above those provided in Buildroot. This might be used to support custom
-features in a project, for example, or when working on a new architecture.
+It is sometimes useful to apply 'extra' patches to packages - on top of
+those provided in Buildroot. This might be used to support custom
+features in a project, for example, or when working on a new
+architecture.
 
 The +BR2_GLOBAL_PATCH_DIR+ configuration option can be used to specify
 a space separated list of one or more directories containing package

docs/manual/customize.txt

@@ -53,6 +53,6 @@ include::customize-users-tables.txt[]
 
 include::customize-post-image.txt[]
 
-include::customize-packages.txt[]
+include::customize-patches.txt[]
 
 include::customize-store.txt[]

docs/manual/patch-policy.txt

@@ -46,7 +46,7 @@ reference in their filename.
 
 The +BR2_GLOBAL_PATCH_DIR+ configuration file option can be
 used to specify a space separated list of one or more directories
-containing global package patches. See xref:packages-custom[] for
+containing global package patches. See xref:customize-patches[] for
 details.
 
 [[patch-apply-order]]