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: I77f4082b9d55da775b0af59328d504f9ac9cd163
diff --git a/Makefile.am b/Makefile.am
index f2042c2..50ecf3d 100755
--- a/Makefile.am
+++ b/Makefile.am
@@ -12,7 +12,7 @@
 	flash.hpp \
 	item_updater_helper.hpp
 
-sbin_PROGRAMS = \
+bin_PROGRAMS = \
 	phosphor-version-software-manager \
 	phosphor-download-manager \
 	phosphor-image-updater
@@ -61,7 +61,7 @@
 noinst_HEADERS += \
 	sync_manager.hpp \
 	sync_watch.hpp
-sbin_PROGRAMS += phosphor-sync-software-manager
+bin_PROGRAMS += phosphor-sync-software-manager
 phosphor_sync_software_manager_SOURCES = \
 	sync_manager.cpp \
 	sync_watch.cpp \