cleaning out motherboard specific changes from the generic directories.

Moving tyan resource map to tyan directory. Making IOMMU for hammer choosable
via ENABLE_IOMMU


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1088 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

src/config/Options.lb

@@ -590,6 +590,11 @@ define DISABLE_WATCHDOG
 	export used
 	comment "Disable watchdog if we're doing lots of output"
 end
+define ENABLE_IOMMU
+	default 1
+	export used
+	comment "Enable IOMMU aperture"
+end
 
 ###############################################
 # Misc device options