python3-pysider6: need add extra oecmake to support multilib

diff --git a/recipes-python/pyside6/python3-pyside6.inc b/recipes-python/pyside6/python3-pyside6.inc
index 770a2e7..8a1d352 100644
--- a/recipes-python/pyside6/python3-pyside6.inc
+++ b/recipes-python/pyside6/python3-pyside6.inc
@@ -27,7 +27,7 @@ FILESEXTRAPATHS:prepend := "${THISDIR}/pyside6:"

 S = "${WORKDIR}/git"

-EXTRA_OECMAKE += "-DBUILD_TESTS=FALSE"
+EXTRA_OECMAKE += "-DBUILD_TESTS=FALSE  -DQFP_PYTHON_SITE_PACKAGES=${PYTHON_SITEPACKAGES_DIR}"
 EXTRA_OECMAKE:append:class-target = " -DQFP_SHIBOKEN_HOST_PATH=${STAGING_EXECPREFIXDIR} -DQFP_PYTHON_HOST_PATH=${PYTHON}"

 INSANE_SKIP:${PN} += "already-stripped"

ERROR: python3-shiboken6-6.8.4-r0 do_package: QA Issue: python3-shiboken6: Files/directories were installed but not shipped in any pac
kage:
  /usr/lib
  /usr/lib/python3.13
  /usr/lib/python3.13/site-packages
  /usr/lib/python3.13/site-packages/shiboken6
  /usr/lib/python3.13/site-packages/shiboken6/Shiboken.pyi
  /usr/lib/python3.13/site-packages/shiboken6/_config.py
  /usr/lib/python3.13/site-packages/shiboken6/_git_shiboken_module_version.py
  /usr/lib/python3.13/site-packages/shiboken6/py.typed
  /usr/lib/python3.13/site-packages/shiboken6/__init__.py
  /usr/lib/python3.13/site-packages/shiboken6/Shiboken.abi3.so
Please set FILES such that these items are packaged. Alternatively if they are unneeded, avoid installing them or delete them within d
o_install.
python3-shiboken6: 10 installed and not shipped files. [installed-vs-shipped]

ERROR: python3-pyside6-6.8.4-r0 do_package: QA Issue: python3-pyside6: Files/directories were installed but not shipped in any package:
  /usr/lib/python3.13/site-packages/PySide6/QtRemoteObjects.abi3.so
  /usr/lib/python3.13/site-packages/PySide6/QtSerialPort.abi3.so
  /usr/lib/python3.13/site-packages/PySide6/QtWidgets.abi3.so
  /usr/lib/python3.13/site-packages/PySide6/QtExampleIcons.abi3.so
  /usr/lib/python3.13/site-packages/PySide6/QtWebChannel.abi3.so
  /usr/lib/python3.13/site-packages/PySide6/QtPositioning.abi3.so
  /usr/lib/python3.13/site-packages/PySide6/QtQuickWidgets.abi3.so
  /usr/lib/python3.13/site-packages/PySide6/QtQuickTest.abi3.so
  /usr/lib/python3.13/site-packages/PySide6/QtStateMachine.abi3.so
  /usr/lib/python3.13/site-packages/PySide6/QtQuick.abi3.so
  /usr/lib/python3.13/site-packages/PySide6/QtMultimediaWidgets.abi3.so
...
  /usr/lib/python3.13/site-packages/PySide6/QtAsyncio/__init__.py
  /usr/lib/python3.13/site-packages/PySide6/QtAsyncio/events.py
Please set FILES such that these items are packaged. Alternatively if they are unneeded, avoid installing them or delete them within do_install.