binutils: Update my e-mail and Yunhai's e-mail

binutils/
	* MAINTAINERS(C-SKY): update e-mails of Lifang & Yunhai.

binutils/MAINTAINERS

@@ -77,8 +77,8 @@ responsibility among the other maintainers.
   CRIS		   Hans-Peter Nilsson <[email protected]>
   CRX		   M R Swami Reddy <[email protected]>
   CTF		   Nick Alcock <[email protected]>
-  C-SKY		   Lifang Xia <lifang_xia@c-sky.com>
-  C-SKY		   Yunhai Shang <yunhai_shang@c-sky.com>
+  C-SKY		   Lifang Xia <lifang_xia@linux.alibaba.com>
+  C-SKY		   Yunhai Shang <[email protected].com>
   DLX              Nikolaos Kavvadias <[email protected]>
   DWARF2	   Jason Merrill <[email protected]>
   DWARF2	   Jakub Jelinek <[email protected]>