ARM: imx8m: Deduplicate CAAM init with arch_misc_init() call

Instead of duplicating code implemented by i.MX8M version of arch_misc_init()
in every board, enable CONFIG_ARCH_MISC_INIT and call arch_misc_init() from
spl_board_init(). This removes the duplication. No functional change.

Signed-off-by: Marek Vasut <marex@denx.de>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
12 files changed