package/libsigrokdecode: fix build with python 3.10

Fix the following build failure with sigrok-cli raised since bump of
python3 to version 3.10.1 in commit
25b1fc2898d68ddf2674b14c738045875fc5a2dc:

/home/giuliobenetti/autobuild/run/instance-3/output-1/host/opt/ext-toolchain/bin/../lib/gcc/aarch64-none-linux-gnu/10.3.1/../../../../aarch64-none-linux-gnu/bin/ld: /home/giuliobenetti/autobuild/run/instance-3/output-1/host/bin/../aarch64-buildroot-linux-gnu/sysroot/usr/lib/libsigrokdecode.so: undefined reference to `PyTuple_SetItem'

Fixes:
 - http://autobuild.buildroot.org/results/e2f33366803b18aff29086007610fa0a264f90d6

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/libsigrokdecode/0002-configure-Add-python-3-10-support.patch

@@ -0,0 +1,28 @@
+From c4c10b89396fe21a622b8c38dd5815a496b007bf Mon Sep 17 00:00:00 2001
+From: Soeren Apel <soeren@apelpie.net>
+Date: Mon, 20 Dec 2021 19:36:39 +0100
+Subject: [PATCH] configure: Add python 3.10 support
+
+[Retrieved from:
+https://sigrok.org/gitweb/?p=libsigrokdecode.git;a=commitdiff;h=c4c10b89396fe21a622b8c38dd5815a496b007bf
+Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+---
+ configure.ac | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/configure.ac b/configure.ac
+index 2917cb3..b8841f8 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -100,7 +100,7 @@ SR_PKG_CHECK_SUMMARY([srd_pkglibs_summary])
+ # first, since usually only that variant will add "-lpython3.8".
+ # https://docs.python.org/3/whatsnew/3.8.html#debug-build-uses-the-same-abi-as-release-build
+ SR_PKG_CHECK([python3], [SRD_PKGLIBS],
+-	[python-3.9-embed], [python-3.8-embed], [python-3.8 >= 3.8], [python-3.7 >= 3.7], [python-3.6 >= 3.6], [python-3.5 >= 3.5], [python-3.4 >= 3.4], [python-3.3 >= 3.3], [python-3.2 >= 3.2], [python3 >= 3.2])
++	[python-3.10-embed], [python-3.9-embed], [python-3.8-embed], [python-3.8 >= 3.8], [python-3.7 >= 3.7], [python-3.6 >= 3.6], [python-3.5 >= 3.5], [python-3.4 >= 3.4], [python-3.3 >= 3.3], [python-3.2 >= 3.2], [python3 >= 3.2])
+ AS_IF([test "x$sr_have_python3" = xno],
+ 	[AC_MSG_ERROR([Cannot find Python 3 development headers.])])
+ 
+-- 
+2.24.0.rc2
+