[POWERPC] Convert 8xx platform to unified platform Kconfig

Moved 8xx platform Kconfig over to being sourced by the unified
arch/powerpc/platforms/Kconfig.  Also, cleaned up whitespace issues in 8xx
Kconfig.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig
index efa3a03..eb69e72 100644
--- a/arch/powerpc/platforms/Kconfig
+++ b/arch/powerpc/platforms/Kconfig
@@ -1,5 +1,6 @@
 menu "Platform support"
-	depends on PPC64 || CLASSIC32 || PPC_82xx || PPC_83xx || PPC_86xx
+	depends on PPC64 || CLASSIC32 || PPC_8xx || PPC_82xx || PPC_83xx || \
+			PPC_86xx
 
 choice
 	prompt "Machine type"
@@ -45,6 +46,7 @@
 source arch/powerpc/platforms/celleb/Kconfig
 source arch/powerpc/platforms/ps3/Kconfig
 source arch/powerpc/platforms/cell/Kconfig
+source "arch/powerpc/platforms/8xx/Kconfig"
 source "arch/powerpc/platforms/82xx/Kconfig"
 source "arch/powerpc/platforms/83xx/Kconfig"
 source "arch/powerpc/platforms/86xx/Kconfig"