[lib][libc-trusty] Reimplement assert to decouple it from LK assert

In addition implement __libc_fatal and __libc_fatal_no_abort that
intended to be used internally.

Switch to use new assert implementation.

Change-Id: Ib30293e7c2fde7212297ed00fc872c7662e8f357
6 files changed
tree: 13ec44ab2b42468c1fbb9bb6b1e6d5aaa24abdc2
  1. include/
  2. lib/