grilo-plugins: update to 0.3.10 and build with meson

Signed-off-by: W. Michael Petullo <mike@flyn.org>

multimedia/grilo-plugins/patches/001-no-help-po-tests.patch

@@ -0,0 +1,15 @@
+Fix build error on OpenWrt build servers. See:
+
+	https://github.com/openwrt/packages/pull/10433#issuecomment-549242840
+	https://github.com/mesonbuild/meson/issues/821
+
+diff -u --recursive grilo-plugins-0.3.10-vanilla/meson.build grilo-plugins-0.3.10/meson.build
+--- grilo-plugins-0.3.10-vanilla/meson.build	2019-09-12 11:48:29.000000000 -0400
++++ grilo-plugins-0.3.10/meson.build	2020-01-20 11:17:22.803149935 -0500
+@@ -173,6 +173,3 @@
+ rootdir = include_directories('.')
+ 
+ subdir('src')
+-subdir('help')
+-subdir('po')
+-subdir('tests')

multimedia/grilo-plugins/patches/001-remove-docs-gnome-from-configure.ac.patch

@@ -1,31 +0,0 @@
---- a/configure.ac
-+++ b/configure.ac
-@@ -1316,7 +1316,7 @@ AC_SUBST(DEPS_OPENSUBTITLES_LIBS)
- # GETTEXT/INTLTOOL
- # ----------------------------------------------------------
- 
--IT_PROG_INTLTOOL([0.40.0])
-+IT_PROG_INTLTOOL([0.40.0], [no-xml])
- GETTEXT_PACKAGE=grilo-plugins
- AC_SUBST(GETTEXT_PACKAGE)
- AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE,"$GETTEXT_PACKAGE", [The domain to use with gettext])
-@@ -1334,7 +1334,7 @@ AC_SUBST([builddir])
- # DOCUMENTATION
- # ----------------------------------------------------------
- 
--YELP_HELP_INIT
-+#YELP_HELP_INIT
- 
- # ----------------------------------------------------------
- # OUTPUT
---- a/Makefile.am
-+++ b/Makefile.am
-@@ -10,7 +10,7 @@ include $(top_srcdir)/release.mk
- 
- ACLOCAL_AMFLAGS = -I m4
- 
--SUBDIRS = src help po tests
-+SUBDIRS = src po
- 
- MAINTAINERCLEANFILES = \
- 	$(GITIGNORE_MAINTAINERCLEANFILES_TOPLEVEL) \