logger CHANGE rename ly_verb_dbg() to ly_log_dbg_groups()

Align the function with the ly_log_level() (recently renamed ly_verb())
and its purpose.
diff --git a/src/log.c b/src/log.c
index dd456d3..4ce8d1e 100644
--- a/src/log.c
+++ b/src/log.c
@@ -36,7 +36,7 @@
 static ly_log_clb log_clb;
 static volatile ly_bool path_flag = 1;
 #ifndef NDEBUG
-volatile uint32_t ly_log_dbg_groups = 0;
+volatile uint32_t ly_ldbg_groups = 0;
 #endif
 
 /* how many bytes add when enlarging buffers */
@@ -211,10 +211,10 @@
 }
 
 API void
-ly_verb_dbg(uint32_t dbg_groups)
+ly_log_dbg_groups(uint32_t dbg_groups)
 {
 #ifndef NDEBUG
-    ly_log_dbg_groups = dbg_groups;
+    ly_ldbg_groups = dbg_groups;
 #else
     (void)dbg_groups;
 #endif
@@ -365,7 +365,7 @@
     const char *str_group;
     va_list ap;
 
-    if (!(ly_log_dbg_groups & group)) {
+    if (!(ly_ldbg_groups & group)) {
         return;
     }
 
diff --git a/src/log.h b/src/log.h
index 1b95e0c..27e6fcd 100644
--- a/src/log.h
+++ b/src/log.h
@@ -111,7 +111,7 @@
  * @brief Enable specific debugging messages (independent of log level).
  * @param[in] dbg_groups Bitfield of enabled debug message groups (see @ref dbggroup).
  */
-void ly_verb_dbg(uint32_t dbg_groups);
+void ly_log_dbg_groups(uint32_t dbg_groups);
 
 #endif
 
diff --git a/tools/lint/commands.c b/tools/lint/commands.c
index f487583..e4ac307 100644
--- a/tools/lint/commands.c
+++ b/tools/lint/commands.c
@@ -1399,22 +1399,22 @@
     if (!strcmp(verb, "error") || !strcmp(verb, "0")) {
         ly_log_level(LY_LLERR);
 #ifndef NDEBUG
-        ly_verb_dbg(0);
+        ly_log_dbg_groups(0);
 #endif
     } else if (!strcmp(verb, "warning") || !strcmp(verb, "1")) {
         ly_log_level(LY_LLWRN);
 #ifndef NDEBUG
-        ly_verb_dbg(0);
+        ly_log_dbg_groups(0);
 #endif
     } else if (!strcmp(verb, "verbose")  || !strcmp(verb, "2")) {
         ly_log_level(LY_LLVRB);
 #ifndef NDEBUG
-        ly_verb_dbg(0);
+        ly_log_dbg_groups(0);
 #endif
     } else if (!strcmp(verb, "debug")  || !strcmp(verb, "3")) {
         ly_log_level(LY_LLDBG);
 #ifndef NDEBUG
-        ly_verb_dbg(LY_LDGDICT | LY_LDGYANG | LY_LDGYIN | LY_LDGXPATH | LY_LDGDIFF);
+        ly_log_dbg_groups(LY_LDGDICT | LY_LDGYANG | LY_LDGYIN | LY_LDGXPATH | LY_LDGDIFF);
 #endif
     } else {
         fprintf(stderr, "Unknown verbosity \"%s\"\n", verb);
@@ -1460,7 +1460,7 @@
             return 1;
         }
     }
-    ly_verb_dbg(grps);
+    ly_log_dbg_groups(grps);
 
     return 0;
 }
diff --git a/tools/lint/main_ni.c b/tools/lint/main_ni.c
index 8a94ee0..96fab46 100644
--- a/tools/lint/main_ni.c
+++ b/tools/lint/main_ni.c
@@ -578,7 +578,7 @@
                     ++ptr;
                 }
             }
-            ly_verb_dbg(u);
+            ly_log_dbg_groups(u);
             break;
 #endif
 #if 0