vexpress64: fvp dram: add DRAM configuration

[u-boot] / arch / arm / mach-keystone / Kconfig

diff --git a/arch/arm/mach-keystone/Kconfig b/arch/arm/mach-keystone/Kconfig
index 134ae87fe1ef79aa28c10267969caccecece4b3c..67f1a33241790e93f4c3959d68addbe2e0b9d57a 100644 (file)
--- a/arch/arm/mach-keystone/Kconfig
+++ b/arch/arm/mach-keystone/Kconfig
@@ -2,6 +2,7 @@ if ARCH_KEYSTONE
 
 choice
        prompt "TI Keystone board select"
+       optional
 
 config TARGET_K2HK_EVM
        bool "TI Keystone 2 Kepler/Hawking EVM"