Correctly display Hiroyuki Obinata name in the following commit:

 $ git log --author=hiroyuki.obinata@gmail.com --oneline
 f480f6e8c5 remove unnecessary ifdef TARGET_RISCV64

Cc: Hiroyuki Obinata <hiroyuki.obinata@gmail.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 .mailmap | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.mailmap b/.mailmap
index ce0d62b60d..4e9e54368d 100644
--- a/.mailmap
+++ b/.mailmap
@@ -98,6 +98,7 @@ Gautham R. Shenoy <ego@linux.vnet.ibm.com>
 Guang Wang <wang.guang55@zte.com.cn>
 Hailiang Zhang <zhang.zhanghailiang@huawei.com>
 Hervé Poussineau <hpoussin@reactos.org>
+Hiroyuki Obinata <hiroyuki.obinata@gmail.com>
 Jakub Jermář <jakub@jermar.eu>
 Jakub Jermář <jakub.jermar@kernkonzept.com>
 Jean-Christophe Dubois <jcd@tribudubois.net>
-- 
2.21.3