[PATCH v2 4/8] ARM: sm: document SMC/PSCI related options

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At least to me, the difference between these options were confusing at
first. Clear this up.

Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
---
 arch/arm/Kconfig | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 725ea12a8c57..d4947cef5c98 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -427,10 +427,14 @@ config ARM_SEMIHOSTING
 
 config ARM_SMCCC
 	bool
+	help
+	  This option enables barebox to invoke ARM secure monitor calls.
 
 config ARM_SECURE_MONITOR
 	select ARM_SMCCC
 	bool
+	help
+	  This option enables barebox to service ARM secure monitor calls.
 
 config ARM_PSCI_OF
 	bool
@@ -442,7 +446,7 @@ config ARM_PSCI
 	select ARM_PSCI_OF
 	help
 	  PSCI is used for controlling secondary CPU cores on some systems. Say
-	  yes here if you have one of these.
+	  yes here if you want barebox to service PSCI calls on such systems.
 
 config ARM_PSCI_DEBUG
 	bool "Enable PSCI debugging"
-- 
2.23.0


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