debian: split osmo-remsim-client into osmo-remsim-client-{shell,st2}

The -shell client has no dependency to libosmo-simtrace2, so it makes
sense to package it separately.

Change-Id: I6c634572af5036fd7f9ce1fee6d1474e06bdaa5a
diff --git a/debian/control b/debian/control
index 330b220..d161815 100644
--- a/debian/control
+++ b/debian/control
@@ -61,16 +61,24 @@
  respective cards.  It establishes a control connection to remsim-server
  and receives inbound connections from remsim-clients.
 
-Package: osmo-remsim-client
+Package: osmo-remsim-client-st2
 Architecture: any
 Multi-Arch: same
 Depends: ${shlibs:Depends}, ${misc:Depends}
-Description: Osmocom Remote SIM - Client
+Description: Osmocom Remote SIM - Client for SIMtrace2 cardem firmware
  The remsim-client is managing a given phone/modem.  It attaches to the
  'cardem' firmware of a SIMtrcace2 (or compatible, such as sysmoQMOD)
  hardware and forwards the SIM card communication to a remsim-bankd,
  under the control of remsim-server.
 
+Package: osmo-remsim-client-shell
+Architecture: any
+Multi-Arch: same
+Depends: ${shlibs:Depends}, ${misc:Depends}
+Description: Osmocom Remote SIM - Interactive Client
+ The remsim-client-shell is for manually interacting with a remote SIM
+ card via remsim-bankd + remsim-server.  It's mostly a test/debug tool.
+
 Package: libifd-osmo-remsim-client0
 Architecture: any
 Multi-Arch: same