[platform/cel]: add sonic_platform installer for python3

Author: Wirut Getbamrung

platform/broadcom/sonic-platform-modules-cel/debian/platform-modules-haliburton.install

@@ -4,6 +4,7 @@ haliburton/script/fancontrol.sh etc/init.d
 haliburton/script/fancontrol.service lib/systemd/system
 services/fancontrol/fancontrol  usr/local/bin
 haliburton/modules/sonic_platform-1.0-py2-none-any.whl usr/share/sonic/device/x86_64-cel_e1031-r0
+haliburton/modules/sonic_platform-1.0-py3-none-any.whl usr/share/sonic/device/x86_64-cel_e1031-r0
 services/platform_api/platform_api_mgnt.sh usr/local/bin
 haliburton/script/popmsg.sh usr/local/bin
 haliburton/script/udev_prefix.sh usr/local/bin

platform/broadcom/sonic-platform-modules-cel/services/platform_api/platform_api_mgnt.sh

@@ -9,6 +9,7 @@ install() {
     # Install sonic-platform package
     if [ -e $DEVICE/$PLATFORM/sonic_platform-1.0-py2-none-any.whl ]; then
         pip install $DEVICE/$PLATFORM/sonic_platform-1.0-py2-none-any.whl
+        pip3 install $device/$platform/sonic_platform-1.0-py3-none-any.whl
     fi
 }