gpsd: ubxtool: patch for adding python3 site package path

added patch file to ubxtool. Since ubxtool is now patched, assigning
the path of python3 env to PYTHONPATH and then exporting it in the
receiver config script is no longer needed.

BugzID: 61081

Signed-off-by: Tobias Jäggi <tobias.jaeggi@netmodule.com>

recipes-connectivity/gpsd/files/0001-apply-python3-path-to-python2-env-to-use-pyserial-in.patch

@@ -0,0 +1,30 @@
+From 8479ba777ed9b2d026382f7b4115bfe63bcec908 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Tobias=20J=C3=A4ggi?= <tobias.jaeggi@netmodule.com>
+Date: Thu, 23 Jan 2020 14:14:35 +0100
+Subject: [PATCH] =?UTF-8?q?apply=20python3=20path=20to=20python2=20env=20t?=
+ =?UTF-8?q?o=20use=20pyserial=20in=20ubxtool=20BugzID:=2061081=20Signed-of?=
+ =?UTF-8?q?f-by:=20Tobias=20J=C3=A4ggi=20<tobias.jaeggi@netmodule.com>?=
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+---
+ ubxtool | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/ubxtool b/ubxtool
+index c06612edb..5e8cb2927 100755
+--- a/ubxtool
++++ b/ubxtool
+@@ -43,6 +43,8 @@ import struct        # for pack()
+ import sys
+ import time
+ 
++sys.path.append("/usr/lib/python3.7/site-packages/")
++
+ PROG_NAME = 'ubxtool'
+ 
+ try:
+-- 
+2.20.1
+

recipes-connectivity/gpsd/files/config-gnss-receiver.sh

@@ -127,10 +127,6 @@ else
   RESTART_GPSD=0
 fi
 
-# TODO: remove this hack in favour of a proper python environment
-# hack to get pyserial working
-PYTHONPATH=/usr/lib/python3.7/site-packages/ && export PYTHONPATH
-
 # TODO: parse input args to display help which would explain usage of $CONFIG_FILE
 
 # check if CONFIG_FILE exists

recipes-connectivity/gpsd/gpsd_%.bbappend

@@ -2,6 +2,7 @@ FILESEXTRAPATHS_prepend := "${THISDIR}/files:"
 SRC_URI_prepend = " \
             git://gitlab.com/netmodule/third-party/gpsd.git;protocol=ssh;user=git;branch=3.19/netmodule \
             file://60-ublox-neo.rules \ 
+            file://0001-apply-python3-path-to-python2-env-to-use-pyserial-in.patch \
             "
 SRC_URI_remove = "${SAVANNAH_GNU_MIRROR}/${BPN}/${BP}.tar.gz"