ARM: bcm: Enable five Cygnus boards

bcm911360_entphn
bcm911360_entphn-ns
bcm911360k
bcm958300k-ns
bcm958305k

- updates to support Cygnus and NSP board families better
- add functions so CONFIG_ARMV7_NONSEC can be enabled on Cygnus boards

Signed-off-by: Steve Rae <srae@broadcom.com>
diff --git a/board/broadcom/bcm958300k/MAINTAINERS b/board/broadcom/bcm958300k/MAINTAINERS
index f75ee6e..8afc728 100644
--- a/board/broadcom/bcm958300k/MAINTAINERS
+++ b/board/broadcom/bcm958300k/MAINTAINERS
@@ -1,6 +1,6 @@
-Broadcom: Cygnus
+BCM958300K BOARD
 M:	Steve Rae <srae@broadcom.com>
 S:	Maintained
-F:	board/broadcom/bcm958300k/
+F:	board/broadcom/bcmcygnus/
 F:	include/configs/bcm_ep_board.h
 F:	configs/bcm958300k_defconfig