e1input: add address as parameter to e1inp_line_update(...)

This patch adds a new parameter to e1inp_line_update that allows to
specific the address for A-bis over IP BSC/BTS.
diff --git a/src/input/hsl.c b/src/input/hsl.c
index f00338f..3854b06 100644
--- a/src/input/hsl.c
+++ b/src/input/hsl.c
@@ -242,7 +242,8 @@
 	return rc;
 }
 
-static int hsl_line_update(struct e1inp_line *line, enum e1inp_line_role role);
+static int hsl_line_update(struct e1inp_line *line,
+			   enum e1inp_line_role role, const char *addr);
 
 struct e1inp_driver hsl_driver = {
 	.name = "hsl",
@@ -300,8 +301,8 @@
         return ret;
 }
 
-static int
-hsl_line_update(struct e1inp_line *line, enum e1inp_line_role role)
+static int hsl_line_update(struct e1inp_line *line,
+			   enum e1inp_line_role role, const char *addr)
 {
 	int ret = -ENOENT;