package/libconfig: bump to version 1.7.3

- Drop patch (already in version)
- Use --disable-tests which is available since
  https://github.com/hyperrealm/libconfig/commit/7e2c1e6ac1f7c80a60c77bf1842edd112fe72188

https://github.com/hyperrealm/libconfig/releases/tag/v1.7.3

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

package/libconfig/0001-Add-disable-doc-option.patch

@@ -1,54 +0,0 @@
-From a0301bde126c2b08b50e789fd025a8c513c914c3 Mon Sep 17 00:00:00 2001
-From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
-Date: Sat, 28 Apr 2018 19:15:22 +0200
-Subject: [PATCH] Add --disable-doc option
-
-Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
----
- Makefile.am  |  6 +++++-
- configure.ac | 12 ++++++++++++
- 2 files changed, 17 insertions(+), 1 deletion(-)
-
-diff --git a/Makefile.am b/Makefile.am
-index 50ef4fa..e94d3ec 100644
---- a/Makefile.am
-+++ b/Makefile.am
-@@ -1,7 +1,11 @@
- 
- ACLOCAL_AMFLAGS = -I m4
- 
--SUBDIRS = lib doc tinytest tests
-+SUBDIRS = lib tinytest tests
-+
-+if BUILDDOC
-+SUBDIRS += doc
-+endif
- 
- if BUILDEXAMPLES
- SUBDIRS += examples
-diff --git a/configure.ac b/configure.ac
-index 62c5c56..8a14855 100644
---- a/configure.ac
-+++ b/configure.ac
-@@ -99,6 +99,18 @@ docxx=yes
- 
- AM_CONDITIONAL(BUILDCXX, test x$docxx = xyes)
- 
-+dodoc=yes
-+
-+AC_ARG_ENABLE(doc,
-+AS_HELP_STRING([--disable-doc], [Disable building of the documentation]),
-+[if test "$enableval" = "no"; then dodoc="no"; fi],
-+[
-+dodoc=yes
-+]
-+)
-+
-+AM_CONDITIONAL(BUILDDOC, test x$dodoc = xyes)
-+
- doexamples=yes
- 
- AC_ARG_ENABLE(examples,
--- 
-2.14.1
-

package/libconfig/libconfig.hash

@@ -1,3 +1,3 @@
 # Locally computed:
-sha256  f67ac44099916ae260a6c9e290a90809e7d782d96cdd462cac656ebc5b685726  libconfig-1.7.2.tar.gz
+sha256  545166d6cac037744381d1e9cc5a5405094e7bfad16a411699bcff40bbb31ee7  libconfig-1.7.3.tar.gz
 sha256  d80c9d084ebfb50ea1ed91bfbc2410d6ce542097a32c43b00781b83adcb8c77f  COPYING.LIB

package/libconfig/libconfig.mk

@@ -4,14 +4,12 @@
 #
 ################################################################################
 
-LIBCONFIG_VERSION = 1.7.2
-LIBCONFIG_SITE = $(call github,hyperrealm,libconfig,v$(LIBCONFIG_VERSION))
+LIBCONFIG_VERSION = 1.7.3
+LIBCONFIG_SITE = https://github.com/hyperrealm/libconfig/releases/download/v$(LIBCONFIG_VERSION)
 LIBCONFIG_LICENSE = LGPL-2.1+
 LIBCONFIG_LICENSE_FILES = COPYING.LIB
 LIBCONFIG_INSTALL_STAGING = YES
-# From git
-LIBCONFIG_AUTORECONF = YES
-LIBCONFIG_CONF_OPTS = --disable-examples
+LIBCONFIG_CONF_OPTS = --disable-examples --disable-tests
 
 ifneq ($(BR2_INSTALL_LIBSTDCPP),y)
 LIBCONFIG_CONF_OPTS += --disable-cxx