sysinfo: add EXTENDED MEASUREMENT ORDER / MEASUREMENT INFO to SI types

those two are used in the RSL SACCH FILLING messages and delivered
like SI5 / SI6.
diff --git a/include/osmocom/gsm/sysinfo.h b/include/osmocom/gsm/sysinfo.h
index 6c81134..b808d6f 100644
--- a/include/osmocom/gsm/sysinfo.h
+++ b/include/osmocom/gsm/sysinfo.h
@@ -27,6 +27,8 @@
 	SYSINFO_TYPE_2quater,
 	SYSINFO_TYPE_5bis,
 	SYSINFO_TYPE_5ter,
+	SYSINFO_TYPE_EMO,
+	SYSINFO_TYPE_MEAS_INFO,
 	/* FIXME all the various bis and ter */
 	_MAX_SYSINFO_TYPE
 };