build: install into bin instead of sbin

Installs into bin instead of sbin per guidelines.

Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: I53614a64fa37f2b3bc2841794bf5aa8c137c31df
diff --git a/Makefile.am b/Makefile.am
index d90a0e3..03c452b 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,13 +1,13 @@
 AM_DEFAULT_SOURCE_EXT = .cpp
 
-sbin_PROGRAMS = \
+bin_PROGRAMS = \
 	phosphor-host-state-manager \
 	phosphor-chassis-state-manager \
 	phosphor-bmc-state-manager \
 	phosphor-discover-system-state \
 	phosphor-host-check
 
-dist_sbin_SCRIPTS = \
+dist_bin_SCRIPTS = \
 	obmcutil
 
 phosphor_host_state_manager_SOURCES = \