chassiskill: Move install to libexec

Moving install location from sbin to libexec to
more closely follow conventional standards.

Change-Id: I653b4afc4c6f006250e34188dc5825d88c359738
Signed-off-by: Anthony Wilson <wilsonan@us.ibm.com>
diff --git a/Makefile.am b/Makefile.am
index e87486d..00b91d9 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,6 +1,6 @@
 AM_DEFAULT_SOURCE_EXT = .cpp
 
-sbin_PROGRAMS = \
+libexec_PROGRAMS = \
 	chassiskill
 
 chassiskill_SOURCES = \