arm: mvebu: Set CPU for U-Boot SPL binary in kwbimage

kwbimage needs to know CPU type, so set it in kwbimage config file.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/arch/arm/mach-mvebu/kwbimage.cfg.in b/arch/arm/mach-mvebu/kwbimage.cfg.in
index 049d23c..8e720da 100644
--- a/arch/arm/mach-mvebu/kwbimage.cfg.in
+++ b/arch/arm/mach-mvebu/kwbimage.cfg.in
@@ -5,6 +5,9 @@
 # Armada 38x uses version 1 image format
 VERSION		1
 
+# Type of the CPU core
+#@CPU
+
 # Boot Media configurations
 #@BOOT_FROM