[ros-diffs] [ion] 24360: - Implement Phase 0 Ex initialization (Resource, Lookaside initialization) and generic Ex initialization routine. - Clear the crypto exponent on boot-up. - Set default global flags for checked builds. - Set NtSystemRoot (SharedUserData) to C:<NT BOOT PATH> on startup. - Cleanup lookas.c file and implement routines to initialize the system lookaside list in phase 0.