imx-vpu: bump to version 5.4.35

Changelog:
Coverity fixes for resources leaks, null dereference, string overflows
and checking return.

This patch is based on the Yocto equivalent:
https://github.com/Freescale/meta-freescale/commit/b138b5b0

Implicitly tested through gstreamer as the plugins rely on it:
 # gst-launch-1.0 playbin uri=file:///root/tears_of_steel_1080p.webm


 # gst-launch-1.0 filesrc location=/root/tears_of_steel_1080p.webm ! \
       matroskademux ! imxvpudec ! imxipuvideosink

Signed-off-by: Gary Bisson <gary.bisson@boundarydevices.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>