v5: modify the disassembling logic to improve readability.

Modify the disassembling logic to include "src=" and "len=" prefixes for
improved readability.

Test: TH
Change-Id: Ic4a7e020656a25e591cdd83305ac7f586f4ddf0b
diff --git a/disassembler.c b/disassembler.c
index 93fd96d..5d3799e 100644
--- a/disassembler.c
+++ b/disassembler.c
@@ -289,9 +289,9 @@
                     }
                     if (imm == EPKTDATACOPYIMM_EXT_OPCODE) {
                         uint32_t len = DECODE_IMM(1);
-                        bprintf(" r0, %d", len);
+                        bprintf(" src=r0, len=%d", len);
                     } else {
-                        bprintf(" r0, r1");
+                        bprintf(" src=r0, len=r1");
                     }
 
                     break;
@@ -356,7 +356,7 @@
             }
             uint32_t src_offs = imm;
             uint32_t copy_len = DECODE_IMM(1);
-            bprintf("%d, %d", src_offs, copy_len);
+            bprintf("src=%d, len=%d", src_offs, copy_len);
             break;
         }
         // Unknown opcode