[POWERPC] Convert 86xx platform to unified platform Kconfig

Moved 86xx platform Kconfig over to being sourced by the unified
arch/powerpc/platforms/Kconfig.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 740892a..d37e0b8 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -380,7 +380,6 @@
 source arch/powerpc/platforms/82xx/Kconfig
 source arch/powerpc/platforms/83xx/Kconfig
 source arch/powerpc/platforms/85xx/Kconfig
-source arch/powerpc/platforms/86xx/Kconfig
 source arch/powerpc/platforms/8xx/Kconfig
 
 menu "Kernel options"
@@ -637,6 +636,11 @@
 	default y if 40x || 44x
 	default n
 
+config PPC_INDIRECT_PCI_BE
+	bool
+	depends PPC_INDIRECT_PCI
+	default n
+
 config EISA
 	bool