fs: Convert CONFIG_CMD_CRAMFS to Kconfig

This converts the following to Kconfig:
   CONFIG_CMD_CRAMFS

Signed-off-by: Simon Glass <sjg@chromium.org>
[trini: imply CMD_CRAMFS for keymile]
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/mach-kirkwood/Kconfig b/arch/arm/mach-kirkwood/Kconfig
index ddfae8c..8aa5428 100644
--- a/arch/arm/mach-kirkwood/Kconfig
+++ b/arch/arm/mach-kirkwood/Kconfig
@@ -34,6 +34,7 @@
 config TARGET_KM_KIRKWOOD
 	bool "KM_KIRKWOOD Board"
 	select BOARD_LATE_INIT
+	imply CMD_CRAMFS
 
 config TARGET_NET2BIG_V2
 	bool "LaCie 2Big Network v2 NAS Board"
diff --git a/arch/powerpc/cpu/mpc8260/Kconfig b/arch/powerpc/cpu/mpc8260/Kconfig
index e93732d..1a5ea73 100644
--- a/arch/powerpc/cpu/mpc8260/Kconfig
+++ b/arch/powerpc/cpu/mpc8260/Kconfig
@@ -10,6 +10,7 @@
 
 config TARGET_KM82XX
 	bool "Support km82xx"
+	imply CMD_CRAMFS
 
 endchoice
 
diff --git a/arch/powerpc/cpu/mpc83xx/Kconfig b/arch/powerpc/cpu/mpc83xx/Kconfig
index bf3be50..4890e13 100644
--- a/arch/powerpc/cpu/mpc83xx/Kconfig
+++ b/arch/powerpc/cpu/mpc83xx/Kconfig
@@ -64,12 +64,15 @@
 
 config TARGET_KM8360
 	bool "Support km8360"
+	imply CMD_CRAMFS
 
 config TARGET_SUVD3
 	bool "Support suvd3"
+	imply CMD_CRAMFS
 
 config TARGET_TUXX1
 	bool "Support tuxx1"
+	imply CMD_CRAMFS
 
 config TARGET_TQM834X
 	bool "Support TQM834x"
diff --git a/arch/powerpc/cpu/mpc85xx/Kconfig b/arch/powerpc/cpu/mpc85xx/Kconfig
index 592b581..4889633 100644
--- a/arch/powerpc/cpu/mpc85xx/Kconfig
+++ b/arch/powerpc/cpu/mpc85xx/Kconfig
@@ -321,6 +321,7 @@
 	bool "Support kmp204x"
 	select ARCH_P2041
 	select PHYS_64BIT
+	imply CMD_CRAMFS
 
 config TARGET_XPEDITE520X
 	bool "Support xpedite520x"