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: Ife0be5530266404f75b30baf1ed52bfead513679
diff --git a/src/Makefile.am b/src/Makefile.am
index e742d19..3838e05 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -3,7 +3,7 @@
 AM_DEFAULT_SOURCE_EXT = .cpp
 AM_CPPFLAGS = -iquote ${top_srcdir}
 
-sbin_PROGRAMS = phosphor-dbus-monitor
+bin_PROGRAMS = phosphor-dbus-monitor
 
 phosphor_dbus_monitor_SOURCES = \
 	journal.cpp \