arch/arm: add help text to BR2_ARM_ENABLE_VFP

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

diff --git a/arch/Config.in.arm b/arch/Config.in.arm
index 01555a6db6a428eca1c069aba69c62bc3f13d450..ea8414757725253d55e0c80a3fbd04e9c38e8151 100644 (file)
--- a/arch/Config.in.arm
+++ b/arch/Config.in.arm
@@ -200,6 +200,10 @@ config BR2_ARM_ENABLE_VFP
        select BR2_ARM_CPU_HAS_VFPV4 if BR2_ARM_CPU_MAYBE_HAS_VFPV4
        select BR2_ARM_CPU_HAS_VFPV3 if BR2_ARM_CPU_MAYBE_HAS_VFPV3
        select BR2_ARM_CPU_HAS_VFPV2 if BR2_ARM_CPU_MAYBE_HAS_VFPV2
+       help
+         For some CPU cores, the VFP extension is optional. Select
+         this option if you are certain your particular
+         implementation has VFP support and you want to use it.
 
 choice
        prompt "Target ABI"