Commits
York Sun committed 61ab8aac608
armv8: layerscape: Enabled I-cache for SPL boot
Enable I-cache for SPL boot to boost performance. Earlier MMU was
enabled only for LS2080A and has since been dropped by commit
f539c8a4a7a5 ("armv8: ls2080a: Drop early MMU for SPL build").
Signed-off-by: York Sun <york.sun@nxp.com>