Add initial remsim-bankd skeleton

This is not a complete program yet, but a rough initial skeleton with
the key data structures in place, as well as the thread / locking model
in place.

Change-Id: I5ad5a1a4918b8eacdaeb7e709ff05dc056346752
diff --git a/configure.ac b/configure.ac
index c3ec5ad..5332db8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -33,7 +33,10 @@
 PKG_PROG_PKG_CONFIG([0.20])
 
 PKG_CHECK_MODULES(OSMOCORE, libosmocore >= 0.11.0)
+PKG_CHECK_MODULES(OSMOGSM, libosmogsm >= 0.11.0)
+PKG_CHECK_MODULES(OSMOABIS, libosmoabis)
 PKG_CHECK_MODULES(ASN1C, libasn1c >= 0.9.30)
+PKG_CHECK_MODULES(PCSC, libpcsclite)
 
 AC_CONFIG_MACRO_DIR([m4])