ppc64 iSeries: Call early_setup() on iSeries

Misc steps to incorporate the flat device tree on iSeries.

- define iseries_probe()
- call build_iSeries_Memory_Map() earlier
- return __pa() of the flat device tree from iSeries_early_setup()
- actually call early_setup() for iSeries
- add iseries_md to machdep_calls
- build prom.o for iSeries
- enable /proc/device-tree for iSeries

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>

1 files changed, 0 insertions, 1 deletions

diff --git a/arch/ppc64/Kconfig b/arch/ppc64/Kconfig
index 32951bfc7f65..246212115a48 100644
--- a/arch/ppc64/Kconfig
+++ b/arch/ppc64/Kconfig
@@ -357,7 +357,6 @@ config HOTPLUG_CPU
 
 config PROC_DEVICETREE
         bool "Support for Open Firmware device tree in /proc"
-        depends on !PPC_ISERIES
         help
           This option adds a device-tree directory under /proc which contains
           an image of the device tree that the kernel copies from Open