ci: mynewt: Enable Mynewt specific tests

This allows to run Mynewt bootserial tests in CI.

Signed-off-by: Szymon Janc <szymon.janc@codecoup.pl>

ci/mynewt_install.sh

@@ -57,9 +57,15 @@ arm_toolchain_install() {
     done
 }
 
+native_test_setup() {
+    sudo apt-get update
+    sudo apt-get install -y gcc-multilib
+}
+
 mkdir -p $HOME/bin
 export PATH=$HOME/bin:$PATH
 
 install_newt
 shallow_clone_mynewt
 arm_toolchain_install
+native_test_setup

ci/mynewt_run.sh

@@ -25,4 +25,9 @@ for target in $(ls ci/mynewt_targets); do
     [[ $? -ne 0 ]] && exit 1
 done
 
+mkdir targets
+cp -r repos/apache-mynewt-core/targets/unittest targets
+newt test boot/boot_serial
+[[ $? -ne 0 ]] && exit 1
+
 exit 0