[POWERPC] rheap: Changes config mechanism

Instead of having in the makefile all the option that
requires rheap, we define a configuration symbol
and when needed we make sure it's selected.

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig
index cc6013f..3724cb4 100644
--- a/arch/powerpc/platforms/Kconfig
+++ b/arch/powerpc/platforms/Kconfig
@@ -264,6 +264,7 @@
 
 config QUICC_ENGINE
 	bool
+	select PPC_LIB_RHEAP
 	help
 	  The QUICC Engine (QE) is a new generation of communications
 	  coprocessors on Freescale embedded CPUs (akin to CPM in older chips).
@@ -274,6 +275,7 @@
 	bool
 	default n
 	select CPM
+	select PPC_LIB_RHEAP
 	help
 	  The CPM2 (Communications Processor Module) is a coprocessor on
 	  embedded CPUs made by Freescale.  Selecting this option means that
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index 4c315be..3c7325e 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -37,6 +37,7 @@
 	select FSL_SOC
 	select 8xx
 	select WANT_DEVICE_TREE
+	select PPC_LIB_RHEAP
 
 config 40x
 	bool "AMCC 40x"