ARM: disable SUSPEND/ARCH_SUSPEND_POSSIBLE for ARCH_TEGRA

Tegra doesn't yet support system sleep. Explicitly disable support
for this feature in Kconfig.

Signed-off-by: Stephen Warren <swarren@nvidia.com>

arch/arm/Kconfig

@@ -2272,7 +2272,7 @@ menu "Power management options"
 source "kernel/power/Kconfig"
 
 config ARCH_SUSPEND_POSSIBLE
-	depends on !ARCH_S5PC100
+	depends on !ARCH_S5PC100 && !ARCH_TEGRA
 	depends on CPU_ARM920T || CPU_ARM926T || CPU_SA1100 || \
 		CPU_V6 || CPU_V6K || CPU_V7 || CPU_XSC3 || CPU_XSCALE
 	def_bool y