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: I506628bb9930c6930284f4183d492080e79dd5f0
diff --git a/Makefile.am b/Makefile.am
index 9efb6d4..6c540f7 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -3,7 +3,7 @@
 systemdsystemunit_DATA = \
   pcie-poweroff@.service
 
-sbin_PROGRAMS = \
+bin_PROGRAMS = \
 	openpower-proc-control
 
 openpower_proc_control_SOURCES = \