Change my mailaddress

I'll switch my mails to my own server, so drop all gmail references.

Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
diff --git a/.mailmap b/.mailmap
index 5ea9f93..14b5ad7 100644
--- a/.mailmap
+++ b/.mailmap
@@ -10,6 +10,7 @@
 
 Allen Martin <amartin@nvidia.com>
 Andreas Bießmann <andreas.devel@googlemail.com>
+Andreas Bießmann <andreas@biessmann.org>
 Aneesh V <aneesh@ti.com>
 Dirk Behme <dirk.behme@googlemail.com>
 Fabio Estevam <fabio.estevam@nxp.com>