docs/manual: fix patch naming convention

Otherwise conflicts with the naming convention from previous section.

Signed-off-by: Gary Bisson <gary.bisson@boundarydevices.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

docs/manual/patch-policy.txt

@@ -73,12 +73,12 @@ details.
 * If a +series+ file exists in the package directory, then patches are
   applied according to the +series+ file;
 +
-* Otherwise, patch files matching +<packagename>-*.patch+
-  are applied in alphabetical order.
+* Otherwise, patch files matching +*.patch+ are applied in alphabetical
+  order.
   So, to ensure they are applied in the right order, it is highly
   recommended to name the patch files like this:
-  +<packagename>-<number>-<description>.patch+, where +<number>+
-  refers to the 'apply order'.
+  +<number>-<description>.patch+, where +<number>+ refers to the
+  'apply order'.
 
 . If +BR2_GLOBAL_PATCH_DIR+ is defined, the directories will be
   enumerated in the order they are specified. The patches are applied