libmodulemd: move from 1.x to 2.x version

New libdnf requires 2.x and is the only consumer in oe-core
(or elsewhere).

(From OE-Core rev: 2c518de672d8876ff96e49b498feb898a497e6a5)

Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/libmodulemd/libmodulemd/0001-modulemd-generate-the-manpage-only-if-the-feature-is.patch

@@ -0,0 +1,28 @@
+From a04fd2c8ac9e0f7a6fc17f02b2a95227b3d0aae4 Mon Sep 17 00:00:00 2001
+From: Alexander Kanavin <alex.kanavin@gmail.com>
+Date: Tue, 31 Mar 2020 16:06:39 +0200
+Subject: [PATCH] modulemd: generate the manpage only if the feature is enabled
+
+Upstream-Status: Pending
+Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
+---
+ modulemd/meson.build | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/modulemd/meson.build b/modulemd/meson.build
+index 9ef1902..9f71e72 100644
+--- a/modulemd/meson.build
++++ b/modulemd/meson.build
+@@ -494,6 +494,7 @@ if with_docs
+     )
+ endif
+ 
++if with_manpages == 'enabled'
+ help2man_opts = [
+   '--no-info',
+   '--section=1',
+@@ -506,3 +507,4 @@ custom_target(
+     ],
+     install: true,
+     install_dir: join_paths(get_option('mandir'), 'man1'))
++endif

meta/recipes-devtools/libmodulemd/libmodulemd/0002-meson.build-do-not-install-python-gi-bindings.patch

@@ -0,0 +1,23 @@
+From d7eeac90fe02ccf5c5e4334e41ec75fc33803643 Mon Sep 17 00:00:00 2001
+From: Alexander Kanavin <alex.kanavin@gmail.com>
+Date: Tue, 31 Mar 2020 16:12:28 +0200
+Subject: [PATCH] meson.build: do not install python gi bindings
+
+These are unnecessary for oe-core, and the install location
+is incorrectly determined using native python.
+
+Upstream-Status: Inappropriate [oe-core specific]
+Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
+---
+ meson.build | 1 -
+ 1 file changed, 1 deletion(-)
+
+diff --git a/meson.build b/meson.build
+index a8b02b4..8ff737b 100644
+--- a/meson.build
++++ b/meson.build
+@@ -171,4 +171,3 @@ configure_file(
+ )
+ 
+ subdir('modulemd')
+-subdir('bindings/python')