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/bcm23550_w1d/MAINTAINERS b/board/broadcom/bcm23550_w1d/MAINTAINERS
index fdaa539..bde6337 100644
--- a/board/broadcom/bcm23550_w1d/MAINTAINERS
+++ b/board/broadcom/bcm23550_w1d/MAINTAINERS
@@ -1,5 +1,5 @@
 BCM23550_W1D BOARD
-M:	Steve Rae <srae@broadcom.com>
+M:	Steve Rae <steve.rae@raedomain.com>
 S:	Maintained
 F:	board/broadcom/bcm23550_w1d/
 F:	include/configs/bcm23550_w1d.h