update README for the stm32wl after changing LL_PLL_ConfigSystemClock_MSI after merge of the (cherry picked from commit ab42f7015e16500db4a51ba562eee36460b7473e) https://github.com/zephyrproject-rtos/hal_stm32/pull/133/ Signed-off-by: Francois Ramu <francois.ramu@st.com> GitOrigin-RevId: ab42f7015e16500db4a51ba562eee36460b7473e Change-Id: I330d52b6413fa45dd24745cd328f0bba68f825a0 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/zephyr/hal_stm32/+/3518091 Tested-by: CopyBot Service Account <copybot.service@gmail.com> Reviewed-by: Jack Rosenthal <jrosenth@chromium.org> Commit-Queue: Jack Rosenthal <jrosenth@chromium.org> Tested-by: Jack Rosenthal <jrosenth@chromium.org>