devops: update CODEOWNERS for tools/acrn-crashlog

Update CODEOWNERS for sub-folder tools/acrn-crashlog.

Signed-off-by: CHEN Gang <gang.c.chen@intel.com>
Acked-by: Eddie Dong <Eddie.dong@intel.com>

Author: chengangc

CODEOWNERS

@@ -15,5 +15,6 @@
 /hypervisor/                             @anthonyzxu @dongyaozu
 /devicemodel/                            @anthonyzxu @dongyaozu
 /doc/                                    @dbkinder
+/tools/acrn-crashlog/                    @dizhang417 @chengangc
 
 *.rst                                    @dbkinder