Switch away from /dev/mem to new ramoops pstore interface

Use the new ramoops pstore interface instead of reading /dev/mem or
needing to know anything about the ramoops memory configurations.

TEST=x86-alex build and boot, logging_KernelCrashServer passes,
  local "make tests" passes.

Change-Id: Ie713d4f93df7f666537c7181b1b438d7b85d4861
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/11245
Reviewed-by: Will Drewry <wad@chromium.org>
3 files changed
tree: 4f9e909c9f2eabd5099e73d01418583ed4c6501d
  1. crash_reporter/