rename bscconfig.h to config.h, cleanup

Get rid of the legacy name bscconfig.h from osmo-nitb times.

Remove the #include from some of the files that aren't actually using it.

Instead of '#include "../../config.h"', use plain '#include "config.h"'
because we're anyway passing $top_srcdir as -I during compilation.

Change-Id: Id4f683be1f36f0630c83da54e02868aae847aeec
diff --git a/src/libmsc/gsm_04_08.c b/src/libmsc/gsm_04_08.c
index 667a1c6..79488cd 100644
--- a/src/libmsc/gsm_04_08.c
+++ b/src/libmsc/gsm_04_08.c
@@ -32,7 +32,7 @@
 #include <regex.h>
 #include <sys/types.h>
 
-#include "bscconfig.h"
+#include "config.h"
 
 #include <osmocom/msc/db.h>
 #include <osmocom/msc/debug.h>
diff --git a/src/libmsc/gsm_04_08_cc.c b/src/libmsc/gsm_04_08_cc.c
index aa97649..0624d56 100644
--- a/src/libmsc/gsm_04_08_cc.c
+++ b/src/libmsc/gsm_04_08_cc.c
@@ -30,8 +30,6 @@
 #include <regex.h>
 #include <sys/types.h>
 
-#include "bscconfig.h"
-
 #include <osmocom/msc/db.h>
 #include <osmocom/msc/debug.h>
 #include <osmocom/msc/gsm_data.h>
diff --git a/src/libmsc/gsm_04_11.c b/src/libmsc/gsm_04_11.c
index 60cdaee..ff5576f 100644
--- a/src/libmsc/gsm_04_11.c
+++ b/src/libmsc/gsm_04_11.c
@@ -33,7 +33,7 @@
 #include <time.h>
 #include <netinet/in.h>
 
-#include "bscconfig.h"
+#include "config.h"
 
 #include <osmocom/core/msgb.h>
 #include <osmocom/core/talloc.h>
diff --git a/src/libmsc/gsm_04_14.c b/src/libmsc/gsm_04_14.c
index 044b61c..8116558 100644
--- a/src/libmsc/gsm_04_14.c
+++ b/src/libmsc/gsm_04_14.c
@@ -24,8 +24,6 @@
 #include <string.h>
 #include <sys/types.h>
 
-#include "bscconfig.h"
-
 #include <osmocom/msc/debug.h>
 #include <osmocom/msc/gsm_data.h>
 #include <osmocom/msc/gsm_subscriber.h>
diff --git a/src/libmsc/msc_net_init.c b/src/libmsc/msc_net_init.c
index 51e8595..637ee74 100644
--- a/src/libmsc/msc_net_init.c
+++ b/src/libmsc/msc_net_init.c
@@ -21,7 +21,7 @@
  *
  */
 
-#include "bscconfig.h"
+#include "config.h"
 
 #include <osmocom/core/tdef.h>
 
diff --git a/src/libmsc/msc_vty.c b/src/libmsc/msc_vty.c
index bb36392..a3237cd 100644
--- a/src/libmsc/msc_vty.c
+++ b/src/libmsc/msc_vty.c
@@ -23,7 +23,7 @@
 /* NOTE: I would have liked to call this the MSC_NODE instead of the MSC_NODE,
  * but MSC_NODE already exists to configure a remote MSC for osmo-bsc. */
 
-#include "../../bscconfig.h"
+#include "config.h"
 
 #include <inttypes.h>
 #include <limits.h>
diff --git a/src/libmsc/ran_infra.c b/src/libmsc/ran_infra.c
index a3a7457..af40541 100644
--- a/src/libmsc/ran_infra.c
+++ b/src/libmsc/ran_infra.c
@@ -31,7 +31,7 @@
 
 #include <osmocom/msc/ran_infra.h>
 
-#include "bscconfig.h"
+#include "config.h"
 
 const struct value_string an_proto_names[] = {
 	{ OSMO_GSUP_ACCESS_NETWORK_PROTOCOL_TS3G_48006, "Ts3G-48006" },