mailmap: update my name and email

Update my name and email address

Signed-off-by: Casey Connolly <casey.connolly@linaro.org>
diff --git a/.mailmap b/.mailmap
index 8508660..717daa9 100644
--- a/.mailmap
+++ b/.mailmap
@@ -35,6 +35,7 @@
 Bin Meng <bmeng.cn@gmail.com> <bin.meng@windriver.com>
 Boris Brezillon <bbrezillon@kernel.org> <boris.brezillon@bootlin.com>
 Boris Brezillon <bbrezillon@kernel.org> <boris.brezillon@free-electrons.com>
+Casey Connolly <casey.connolly@linaro.org> <caleb.connolly@linaro.org>
 Christian Kohn <chris.kohn@amd.com> <christian.kohn@xilinx.com>
 Christopher Obbard <christopher.obbard@linaro.org> <chris.obbard@collabora.com>
 Dirk Behme <dirk.behme@googlemail.com>