Replace all occurrences of vdbg with vinfo

graphics/nxterm/nxterm_kbdin.c

@@ -393,7 +393,7 @@ void nxterm_kbdin(NXTERM handle, FAR const uint8_t *buffer, uint8_t buflen)
   char ch;
   int ret;
 
-  gvdbg("buflen=%d\n");
+  ginfo("buflen=%d\n");
   DEBUGASSERT(handle);
 
   /* Get the reference to the driver structure from the handle */

graphics/nxterm/nxterm_redraw.c

@@ -105,7 +105,7 @@ void nxterm_redraw(NXTERM handle, FAR const struct nxgl_rect_s *rect, bool more)
   int i;
 
   DEBUGASSERT(handle && rect);
-  gvdbg("rect={(%d,%d),(%d,%d)} more=%s\n",
+  ginfo("rect={(%d,%d),(%d,%d)} more=%s\n",
         rect->pt1.x, rect->pt1.y, rect->pt2.x, rect->pt2.y,
         more ? "true" : "false");