manifest: littlefs: update pull/9/head to SHA
manifest: littlefs: update pull/9/head to SHA

The PR #41729 and https://github.com/zephyrproject-rtos/littlefs/pull/9
was merged in wrong order.

This PR updates the manifest to point to the SHA instead of the PR.

Signed-off-by: Torsten Rasmussen <a7c5b1d5a1f41fce6edfa3f7c2392ae0c59deafe@nordicsemi.no>

zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,finikorg/zephyr,galak/zephyr,galak/zephyr,galak/zephyr,finikorg/zephyr,finikorg/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,galak/zephyr