firmware-imx: Update 8.18 -> 8.22 to align to LF6.1.55_2.2.0

Update the firmware-imx to be aligned with the NXP BSP
LF6.1.55_2.2.0.

Signed-off-by: Daiane Angolini <daiane.angolini@foundries.io>

Author: angolini

recipes-bsp/firmware-imx/firmware-imx_8.18.bb renamed to recipes-bsp/firmware-imx/firmware-imx_8.22.bb

@@ -1,5 +1,5 @@
 # Copyright (C) 2012-2016 Freescale Semiconductor
-# Copyright (C) 2017-2021 NXP
+# Copyright 2017-2021 NXP
 # Copyright (C) 2018 O.S. Systems Software LTDA.
 SUMMARY = "Freescale i.MX firmware"
 DESCRIPTION = "Freescale i.MX firmware such as for the VPU"