MLK-18172-1: imx8qm_mek: Load hdmi fw before dom0 kernel for xenboot

MLK-18172-1: imx8qm_mek: Load hdmi fw before dom0 kernel for xenboot

Xen boot writes ${filesize} to /chosen/module but if HDMI fw is present
then the size of hdmitxfw.bin is written instead of the size of dom0
kernel.

Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
(cherry picked from commit 8823d52896aedf740899c59db3da73f8478c40ed)
(cherry picked from commit 0efebadd915a999030c2462be9c714db3ae51895)
(cherry picked from commit 02e8bbe4e659a7ffb360c392ea79ce073b90f276)
(cherry picked from commit a12d5e0559843c6870aa0fb2091ebe9f23bdbc56)