Add new google ipmi sys command: SysHostPowerOff

New google ipmi sys command to let the BMC knows host shutdown,
allow host to gracefully shutdown and disable the watchdog with given
time delay.

Signed-off-by: Yunyun Lin <linyuny@google.com>
Change-Id: I02171c9cfed57ae5d10d66b515e4ab7ee8856466
diff --git a/test/Makefile.am b/test/Makefile.am
index c97f480..a502e77 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -52,3 +52,7 @@
 check_PROGRAMS += flash_unittest
 flash_unittest_SOURCES = flash_unittest.cpp
 flash_unittest_LDADD = $(top_builddir)/libsyscmds_common.la
+
+check_PROGRAMS += poweroff_unittest
+poweroff_unittest_SOURCES = poweroff_unittest.cpp
+poweroff_unittest_LDADD = $(top_builddir)/libsyscmds_common.la