Fix some typos

Fix typos and common misspellings in code comments and log messages.

Change-Id: Ie66b89065f2100c1d2125ce5a6c9b1d58df7c8ad
diff --git a/src/libvlr/vlr_lu_fsm.c b/src/libvlr/vlr_lu_fsm.c
index 2db5711..e4d40f0 100644
--- a/src/libvlr/vlr_lu_fsm.c
+++ b/src/libvlr/vlr_lu_fsm.c
@@ -688,7 +688,7 @@
 static bool lai_in_this_vlr(struct vlr_instance *vlr,
 			    const struct osmo_location_area_id *lai)
 {
-	/* TODO: VLR needs to keep a locally configued list of LAIs */
+	/* TODO: VLR needs to keep a locally configured list of LAIs */
 	return true;
 }