factory_debug: Switch to use elogtool to read firmware eventlog

Mosys is removing the eventlog subcommand.  Switch to using elogtool
to read the firmware eventlog.

BUG=b:203777035
TEST=CQ

Change-Id: Ic451e23930a915ce156b38d296e7510544d44df4
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/factory_installer/+/3246677
Tested-by: Jack Rosenthal <jrosenth@chromium.org>
Auto-Submit: Jack Rosenthal <jrosenth@chromium.org>
Reviewed-by: Kerker Yang <kerker@chromium.org>
Reviewed-by: Ricardo Quesada <ricardoq@chromium.org>
Commit-Queue: Jack Rosenthal <jrosenth@chromium.org>

factory_debug.sh

diff --git a/factory_debug.sh b/factory_debug.sh
index 4a690a1..a1763e4 100644
--- a/factory_debug.sh
+++ b/factory_debug.sh
@@ -9,7 +9,7 @@
 . "/usr/share/misc/storage-info-common.sh"
 . "/usr/sbin/write_gpt.sh"
 
-DEBUG_FUNCTIONS=(call_dev_debug_vboot call_mosys_eventlog sys_fw_log call_dmesg
+DEBUG_FUNCTIONS=(call_dev_debug_vboot call_elogtool sys_fw_log call_dmesg
                  call_get_storage_info checksums call_lspci cat_write_gpt
                  dd_storage debug_get_fixed_dst_drive)
 
@@ -52,10 +52,10 @@
   cat /var/log/debug_vboot_noisy.log || true
 }
 
-call_mosys_eventlog() {
+call_elogtool() {
   echo
   echo "## firmware event log:"
-  mosys eventlog list || true
+  elogtool list || true
 }
 
 sys_fw_log() {
@@ -206,4 +206,4 @@
     read -N 1 -p "Press any key to continue to debug console> "
   done
 }
-main "$@"
\ No newline at end of file
+main "$@"