hw/arm: Express dependencies of collie with Kconfig

Add Kconfig dependencies for the Strongarm collie machine.
This patch is based on earlier work by Ákos Kovács (i.e.
his "hw/arm/Kconfig: Add ARM Kconfig" patch).

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig
index dfdc1b1..a507144 100644
--- a/hw/arm/Kconfig
+++ b/hw/arm/Kconfig
@@ -169,6 +169,13 @@
 
 config STRONGARM
     bool
+    select PXA2XX
+
+config COLLIE
+    bool
+    select PFLASH_CFI01
+    select ZAURUS  # scoop
+    select STRONGARM
 
 config SX1
     bool