- remove all references to CONFIG_INIT_CRITICAL for ARM based boards - introduce two new configuration options instead: CONFIG_SKIP_LOWLEVEL_INIT and CONFIG_SKIP_RELOCATE_UBOOT
- rename CONFIG_BOOTBINFUNC into CONFIG_INIT_CRITICAL - rename memsetup into lowlevel_init (function name and source files)
Add support for Exys XSEngine board Some code cleanup.