Set the mainboard/amd directory up to support more than one. 

remove Config variables now defined elsewhere.
add rumba Kconfig and Makefile.inc

rumba won't build until my earlier patches are acked.
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Acked-by: Myles Watson <mylesgw@gmail.com>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4617 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/src/mainboard/amd/Kconfig b/src/mainboard/amd/Kconfig
index f16f5e1..9cca284 100644
--- a/src/mainboard/amd/Kconfig
+++ b/src/mainboard/amd/Kconfig
@@ -1 +1,9 @@
-source "src/mainboard/amd/serengeti_cheetah/Kconfig"
\ No newline at end of file
+choice
+	prompt "Mainboard model"
+	depends on VENDOR_AMD
+
+source "src/mainboard/amd/serengeti_cheetah/Kconfig"
+source "src/mainboard/amd/rumba/Kconfig"
+
+endchoice
+