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: Id795cf2e720191e04641a2b12e802407e096ab2d
diff --git a/lpcsnoop.service.in b/lpcsnoop.service.in
index 1f91bcb..da7493d 100644
--- a/lpcsnoop.service.in
+++ b/lpcsnoop.service.in
@@ -4,7 +4,7 @@
 
 [Service]
 Restart=always
-ExecStart=@sbindir@/snoopd -d "/dev/@SNOOP_DEVICE@" -b "@POST_CODE_BYTES@"
+ExecStart=@bindir@/snoopd -d "/dev/@SNOOP_DEVICE@" -b "@POST_CODE_BYTES@"
 
 [Install]
 WantedBy=@SYSTEMD_TARGET@