arm: Remove Broadcom Cygnus boards

These boards have not been converted to CONFIG_DM by the deadline.
Remove them.

Cc: Steve Rae <steve.rae@raedomain.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 1442ee3..01b5ba5 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -346,7 +346,7 @@
 choice
 	prompt "Select the ARM data write cache policy"
 	default SYS_ARM_CACHE_WRITETHROUGH if TARGET_BCMCYGNUS || \
-					      TARGET_BCMNSP || CPU_PXA || RZA1
+					      CPU_PXA || RZA1
 	default SYS_ARM_CACHE_WRITEBACK
 
 config SYS_ARM_CACHE_WRITEBACK
@@ -667,10 +667,6 @@
 	imply HASH_VERIFY
 	imply NETDEVICES
 
-config TARGET_BCMNSP
-	bool "Support bcmnsp"
-	select CPU_V7A
-
 config TARGET_BCMNS2
 	bool "Support Broadcom Northstar2"
 	select ARM64
@@ -1935,8 +1931,6 @@
 source "board/broadcom/bcm963158/Kconfig"
 source "board/broadcom/bcm968360bg/Kconfig"
 source "board/broadcom/bcm968580xref/Kconfig"
-source "board/broadcom/bcmcygnus/Kconfig"
-source "board/broadcom/bcmnsp/Kconfig"
 source "board/broadcom/bcmns3/Kconfig"
 source "board/cavium/thunderx/Kconfig"
 source "board/cirrus/edb93xx/Kconfig"