ARM: spear: remove obsolete config MACH_SPEAR600

Since commit ddb902cc3459 ("ARM: centralize common multi-platform kconfig
options"), the config MACH_SPEAR600 has no effect. Remove this config.

Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
---
 arch/arm/mach-spear/Kconfig | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/arch/arm/mach-spear/Kconfig b/arch/arm/mach-spear/Kconfig
index 1add7ee49b63..7108ad628f8d 100644
--- a/arch/arm/mach-spear/Kconfig
+++ b/arch/arm/mach-spear/Kconfig
@@ -81,12 +81,6 @@ config ARCH_SPEAR6XX
 	help
 	  Supports for ARM's SPEAR6XX family
 
-config MACH_SPEAR600
-	def_bool y
-	depends on ARCH_SPEAR6XX
-	help
-	  Supports ST SPEAr600 boards configured via the device-tree
-
 config ARCH_SPEAR_AUTO
 	bool
 	depends on !ARCH_SPEAR13XX && !ARCH_SPEAR6XX
-- 
2.17.1