package/uvw: disable documentation

Add patch to disable documentation through BUILD_DOC which is already
passed by cmake-infrastructure

Fixes:
 - http://autobuild.buildroot.org/results/f58a1d1a4ffdaf94fd0fcb4dbebe1e898f95638d

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/uvw/0001-CMakeLists.txt-add-BUILD_DOC-option.patch

@@ -0,0 +1,28 @@
+From 8038b6343466b9a58fd5ef5f13d3255ecbfce5aa Mon Sep 17 00:00:00 2001
+From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+Date: Thu, 31 Oct 2019 13:41:04 +0100
+Subject: [PATCH] CMakeLists.txt: add BUILD_DOC option
+
+Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+[Upstream status: https://github.com/skypjack/uvw/pull/165]
+---
+ CMakeLists.txt | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 9fc5538..da6a02d 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -62,7 +62,8 @@ find_package(Doxygen 1.8)
+ # Referenced directories and targets
+ #
+ 
+-if(DOXYGEN_FOUND)
++option(BUILD_DOC "Build documentation" ON)
++if(BUILD_DOC AND DOXYGEN_FOUND)
+     add_subdirectory(docs)
+ endif()
+ 
+-- 
+2.23.0
+