[POWERPC] Convert 83xx platform to unified platform Kconfig

Moved 83xx platform Kconfig over to being sourced by the unified
arch/powerpc/platforms/Kconfig.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

arch/powerpc/Kconfig

@@ -378,7 +378,6 @@ source "arch/powerpc/platforms/Kconfig"
 source arch/powerpc/platforms/embedded6xx/Kconfig
 source arch/powerpc/platforms/4xx/Kconfig
 source arch/powerpc/platforms/82xx/Kconfig
-source arch/powerpc/platforms/83xx/Kconfig
 source arch/powerpc/platforms/85xx/Kconfig
 source arch/powerpc/platforms/8xx/Kconfig
 

arch/powerpc/platforms/83xx/Kconfig

-menu "Platform support"
-	depends on PPC_83xx
-
 choice
 	prompt "Machine Type"
+	depends on PPC_83xx
 	default MPC834x_MDS
 
 config MPC8313_RDB
@@ -77,5 +75,3 @@ config PPC_MPC836x
 	select PPC_UDBG_16550
 	select PPC_INDIRECT_PCI
 	default y if MPC836x_MDS
-
-endmenu

arch/powerpc/platforms/Kconfig

 menu "Platform support"
-	depends on PPC64 || CLASSIC32 || PPC_86xx
+	depends on PPC64 || CLASSIC32 || PPC_83xx || PPC_86xx
 
 choice
 	prompt "Machine type"
@@ -45,6 +45,7 @@ source "arch/powerpc/platforms/pasemi/Kconfig"
 source arch/powerpc/platforms/celleb/Kconfig
 source arch/powerpc/platforms/ps3/Kconfig
 source arch/powerpc/platforms/cell/Kconfig
+source "arch/powerpc/platforms/83xx/Kconfig"
 source "arch/powerpc/platforms/86xx/Kconfig"
 
 config PPC_NATIVE