[PATCH] arm64: add HAVE_LATENCYTOP_SUPPORT config

[yalin wang]

Add HAVE_LATENCYTOP_SUPPORT in Kconfig, so that
we can enable this feature on ARM64

Signed-off-by: yalin wang <yalin.wang2010 at gmail.com>
---
 arch/arm64/Kconfig | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 851fe11..782b5bd 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -103,6 +103,10 @@ config ARCH_PHYS_ADDR_T_64BIT
 config MMU
 	def_bool y
 
+config HAVE_LATENCYTOP_SUPPORT
+	bool
+	default y
+
 config NO_IOPORT_MAP
 	def_bool y if !PCI
 
-- 
1.9.1