Add Wayland pckgconfig patch for 1.20.0

recipes-graphics/wayland/wayland/wayland-1.20.0_0001-Consider-pkgconfig-sysroot-for-pkgdatadir.patch

@@ -0,0 +1,48 @@
+From ff8ecbe8891d592e645927659318720f9e190054 Mon Sep 17 00:00:00 2001
+From: Andreas Cord-Landwehr <cordlandwehr@kde.org>
+Date: Sun, 6 Feb 2022 17:23:46 +0100
+Subject: [PATCH] [PATCH] Consider pkgconfig sysroot for pkgdatadir
+
+For libs/cflags this is done automatically, but not for manually accessed
+variables. This matches what wayland-protocols does.
+---
+ src/meson.build           | 6 +++---
+ src/wayland-client.pc.in  | 2 +-
+ src/wayland-scanner.pc.in | 2 +-
+ src/wayland-server.pc.in  | 2 +-
+ 4 files changed, 6 insertions(+), 6 deletions(-)
+
+diff --git a/src/meson.build b/src/meson.build
+index 61edbc8..d621efd 100644
+--- a/src/meson.build
++++ b/src/meson.build
+@@ -50,7 +50,7 @@ if get_option('scanner')
+ 		version: meson.project_version(),
+ 		variables: [
+ 			'datarootdir=' + join_paths('${prefix}', get_option('datadir')),
+-			'pkgdatadir=' + join_paths('${datarootdir}', meson.project_name()),
++			'pkgdatadir=' + join_paths('${pc_sysrootdir}${datarootdir}', meson.project_name()),
+ 			'bindir=' + join_paths('${prefix}', get_option('bindir')),
+ 			'wayland_scanner=wayland-scanner'
+ 		],
+@@ -179,7 +179,7 @@ if get_option('libraries')
+ 		filebase: 'wayland-server',
+ 		variables: [
+ 			'datarootdir=' + join_paths('${prefix}', get_option('datadir')),
+-			'pkgdatadir=' + join_paths('${datarootdir}', meson.project_name())
++			'pkgdatadir=' + join_paths('${pc_sysrootdir}${datarootdir}', meson.project_name())
+ 		]
+ 	)
+ 
+@@ -211,7 +211,7 @@ if get_option('libraries')
+ 		filebase: 'wayland-client',
+ 		variables: [
+ 			'datarootdir=' + join_paths('${prefix}', get_option('datadir')),
+-			'pkgdatadir=' + join_paths('${datarootdir}', meson.project_name())
++			'pkgdatadir=' + join_paths('${pc_sysrootdir}${datarootdir}', meson.project_name())
+ 		]
+ 	)
+
+-- 
+2.32.0
+