powerpc: make Freescale QE support a selectable Kconfig option

Modify the Kconfig so that Freescale QUICC Engine (QE) support is a selectable
option, thereby allowing users to compile kernels without any QE support.

The drawback is that QE support is now disabled by default on platforms that
have a QE, and so a defconfig is needed to enable QE and QE devices (like
UCC GETH).  Fortunately, all the current relevant defconfigs do that already.

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig
index 6159c5d..83c664a 100644
--- a/arch/powerpc/platforms/83xx/Kconfig
+++ b/arch/powerpc/platforms/83xx/Kconfig
@@ -19,7 +19,6 @@
 config MPC832x_MDS
 	bool "Freescale MPC832x MDS"
 	select DEFAULT_UIMAGE
-	select QUICC_ENGINE
 	select PPC_MPC832x
 	help
 	  This option enables support for the MPC832x MDS evaluation board.
@@ -27,7 +26,6 @@
 config MPC832x_RDB
 	bool "Freescale MPC832x RDB"
 	select DEFAULT_UIMAGE
-	select QUICC_ENGINE
 	select PPC_MPC832x
 	help
 	  This option enables support for the MPC8323 RDB board.
@@ -57,15 +55,12 @@
 config MPC836x_MDS
 	bool "Freescale MPC836x MDS"
 	select DEFAULT_UIMAGE
-	select QUICC_ENGINE
 	help
 	  This option enables support for the MPC836x MDS Processor Board.
 
 config MPC836x_RDK
 	bool "Freescale/Logic MPC836x RDK"
 	select DEFAULT_UIMAGE
-	select QUICC_ENGINE
-	select QE_GPIO
 	select FSL_GTM
 	select FSL_LBC
 	help
diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig
index 291675b..b79dc71 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -33,7 +33,6 @@
 config MPC85xx_MDS
 	bool "Freescale MPC85xx MDS"
 	select DEFAULT_UIMAGE
-	select QUICC_ENGINE
 	select PHYLIB
 	help
 	  This option enables support for the MPC85xx MDS board
diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig
index 9578c45..6cf517f 100644
--- a/arch/powerpc/platforms/Kconfig
+++ b/arch/powerpc/platforms/Kconfig
@@ -239,7 +239,8 @@
 	  If in doubt, say N here.
 
 config QUICC_ENGINE
-	bool
+	bool "Freescale QUICC Engine (QE) Support"
+	depends on FSL_SOC
 	select PPC_LIB_RHEAP
 	select CRC32
 	help