mailmap: Abhishek Lekshmanan affiliation

Adding an entry to normalize the personal email id and work email id
Signed-off-by: Abhishek Lekshmanan <abhishek@suse.com>

.mailmap

@@ -7,8 +7,8 @@
 #
 #
 Aaron Bassett <abassett@gmail.com>
-Abhishek Lekshmanan <abhishek.lekshmanan@ril.com> <abhishek.lekshmanan@gmail.com>
 Abhishek Lekshmanan <abhishek@suse.com> <alekshmanan@suse.com>
+Abhishek Lekshmanan <abhishek@suse.com> <abhishek.lekshmanan@gmail.com>
 Adam C. Emerson <aemerson@redhat.com>
 Adam Twardowski <adam.twardowski@gmail.com>
 Ahoussi Armand <ahoussi.say@telecom-bretagne.eu> <delco225>