ARM: virt: make mach-virt just a kconfig option

The mach code for mach-virt is no longer needed, so we can remove all of
mach-virt except the kconfig entry.

Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Russell King <linux@arm.linux.org.uk>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index f350ca5..9790c5d 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -929,6 +929,12 @@
 
 endmenu
 
+config ARCH_VIRT
+	bool "Dummy Virtual Machine" if ARCH_MULTI_V7
+	select ARM_GIC
+	select HAVE_ARM_ARCH_TIMER
+	select ARM_PSCI
+
 #
 # This is sorted alphabetically by mach-* pathname.  However, plat-*
 # Kconfigs may be included either alphabetically (according to the
@@ -1052,8 +1058,6 @@
 source "arch/arm/mach-vexpress/Kconfig"
 source "arch/arm/plat-versatile/Kconfig"
 
-source "arch/arm/mach-virt/Kconfig"
-
 source "arch/arm/mach-vt8500/Kconfig"
 
 source "arch/arm/mach-w90x900/Kconfig"