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/bcm958300k/MAINTAINERS b/board/broadcom/bcm958300k/MAINTAINERS
index 8afc728..bbb6d64 100644
--- a/board/broadcom/bcm958300k/MAINTAINERS
+++ b/board/broadcom/bcm958300k/MAINTAINERS
@@ -1,5 +1,5 @@
 BCM958300K BOARD
-M:	Steve Rae <srae@broadcom.com>
+M:	Steve Rae <steve.rae@raedomain.com>
 S:	Maintained
 F:	board/broadcom/bcmcygnus/
 F:	include/configs/bcm_ep_board.h