first steps towards a L1CTL / LAPD test

The idea here is to implement the L1CTL protocol in TTCN-3 so we can
speak it over a unix domain socket (test port) for simple tasks such as
activating dedicated mode.

This can then subsequently be used for LAPDm testing
diff --git a/sysinfo/Osmocom_Types.ttcn b/sysinfo/Osmocom_Types.ttcn
index 6fe1b57..0c26f02 100644
--- a/sysinfo/Osmocom_Types.ttcn
+++ b/sysinfo/Osmocom_Types.ttcn
@@ -6,6 +6,7 @@
 	type integer int8_t (-128..127) with { variant "8 bit" };
 	type integer int16_t (-32768..32767) with { variant "16 bit" };
 
+	type integer uint1_t (0..1) with { variant "unsigned 1 bit" };
 	type integer uint2_t (0..3) with { variant "unsigned 2 bit" };
 	type integer uint3_t (0..7) with { variant "unsigned 3 bit" };
 	type integer uint4_t (0..15) with { variant "unsigned 4 bit" };