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: I1b683415bf518045de5571b0b9517345ea2df77a
diff --git a/Makefile.am b/Makefile.am
index 50c380e..dfb112d 100755
--- a/Makefile.am
+++ b/Makefile.am
@@ -18,7 +18,7 @@
 noinst_HEADERS = \
 	settings_manager.hpp
 
-sbin_PROGRAMS = \
+bin_PROGRAMS = \
 	phosphor-settings-manager
 
 phosphor_settings_manager_SOURCES = \