update bml.h: BML is short for BTL Management Layer instead of BML Management Layer. I have corrected it.

jo-pillar · jo-pillar · commit 19b515f15f3d · 2022-12-23T23:49:11.000+08:00
Signed-off-by: zhuodong &lt;jopillar11@gmail.com&gt;
diff --git a/ompi/mca/bml/bml.h b/ompi/mca/bml/bml.h
@@ -22,7 +22,7 @@
 /**
  * @file
  *
- * BML Management Layer (BML)
+ * BTL Management Layer (BML)
  *
  */
 
