Move gps.conf to a common location

Change-Id: Idd1cae3d91b7701bc5e64c739ba0103d914ff2e2
diff --git a/gps/gps.conf_US_SUPL b/gps/gps.conf_US_SUPL
new file mode 100644
index 0000000..b766326
--- /dev/null
+++ b/gps/gps.conf_US_SUPL
@@ -0,0 +1,6 @@
+NTP_SERVER=north-america.pool.ntp.org
+XTRA_SERVER_1=http://xtra1.gpsonextra.net/xtra.bin
+XTRA_SERVER_2=http://xtra2.gpsonextra.net/xtra.bin
+XTRA_SERVER_3=http://xtra3.gpsonextra.net/xtra.bin
+SUPL_HOST=supl.google.com
+SUPL_PORT=7276