Update to 5.9.4.1 version following 'lf-6.6.52_2.2.0' NXP release.
This has not been released in meta-freescale yet, so reuse the 5.9.4
recipe and apply the changes from meta-imx.
https://onedigi.atlassian.net/browse/DEL-9417
Signed-off-by: Gonzalo Ruiz <Gonzalo.Ruiz@digi.com>