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/configs/bcm958622hr_defconfig b/configs/bcm958622hr_defconfig
index 8a45e51..7c86300 100644
--- a/configs/bcm958622hr_defconfig
+++ b/configs/bcm958622hr_defconfig
@@ -1,3 +1,3 @@
 CONFIG_SYS_EXTRA_OPTIONS="SYS_SDRAM_SIZE=0x01000000"
 CONFIG_ARM=y
-CONFIG_TARGET_BCM958622HR=y
+CONFIG_TARGET_BCMNSP=y