maintainers: new email address

Update the email address for the boards that I maintain.

Signed-off-by: Steve Rae <steve.rae@raedomain.com>
diff --git a/board/broadcom/bcm28155_ap/MAINTAINERS b/board/broadcom/bcm28155_ap/MAINTAINERS
index a74c394..e1e99d0 100644
--- a/board/broadcom/bcm28155_ap/MAINTAINERS
+++ b/board/broadcom/bcm28155_ap/MAINTAINERS
@@ -1,5 +1,5 @@
 BCM28155_AP BOARD
-M:	Tim Kryger <tim.kryger@linaro.org>
+M:	Steve Rae <steve.rae@raedomain.com>
 S:	Maintained
 F:	board/broadcom/bcm28155_ap/
 F:	include/configs/bcm28155_ap.h