dm: Kconfig: Move CONFIG_SYS_MALLOC_F_LEN to Kconfig

Move this option to Kconfig and update all boards.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/cpu/armv7/exynos/Kconfig b/arch/arm/cpu/armv7/exynos/Kconfig
index 17ad567..2064efa 100644
--- a/arch/arm/cpu/armv7/exynos/Kconfig
+++ b/arch/arm/cpu/armv7/exynos/Kconfig
@@ -80,6 +80,12 @@
 config DM_GPIO
 	default y if !SPL_BUILD
 
+config SYS_MALLOC_F
+	default y if !SPL_BUILD
+
+config SYS_MALLOC_F_LEN
+	default 0x400 if !SPL_BUILD
+
 source "board/samsung/smdkv310/Kconfig"
 source "board/samsung/trats/Kconfig"
 source "board/samsung/universal_c210/Kconfig"
diff --git a/arch/arm/cpu/armv7/omap3/Kconfig b/arch/arm/cpu/armv7/omap3/Kconfig
index 2fe3232..4644098 100644
--- a/arch/arm/cpu/armv7/omap3/Kconfig
+++ b/arch/arm/cpu/armv7/omap3/Kconfig
@@ -102,6 +102,12 @@
 config DM_SERIAL
 	default y if DM && !SPL_BUILD
 
+config SYS_MALLOC_F
+	default y if DM && !SPL_BUILD
+
+config SYS_MALLOC_F_LEN
+	default 0x400 if DM && !SPL_BUILD
+
 config SYS_SOC
 	default "omap3"
 
diff --git a/arch/arm/cpu/armv7/tegra-common/Kconfig b/arch/arm/cpu/armv7/tegra-common/Kconfig
index 93dc732..ee32469 100644
--- a/arch/arm/cpu/armv7/tegra-common/Kconfig
+++ b/arch/arm/cpu/armv7/tegra-common/Kconfig
@@ -17,6 +17,12 @@
 
 endchoice
 
+config SYS_MALLOC_F
+	default y
+
+config SYS_MALLOC_F_LEN
+	default 0x1800
+
 config USE_PRIVATE_LIBGCC
 	default y if SPL_BUILD
 
diff --git a/arch/arm/cpu/armv7/uniphier/Kconfig b/arch/arm/cpu/armv7/uniphier/Kconfig
index 5c5a84f..1a47ac9 100644
--- a/arch/arm/cpu/armv7/uniphier/Kconfig
+++ b/arch/arm/cpu/armv7/uniphier/Kconfig
@@ -48,6 +48,12 @@
 
 endchoice
 
+config SYS_MALLOC_F
+	default y
+
+config SYS_MALLOC_F_LEN
+	default 0x2000
+
 config CMD_PINMON
 	bool "Enable boot mode pins monitor command"
 	default y
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index bb3ff43..35d24e4 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -76,6 +76,12 @@
 config DM_SERIAL
 	default y
 
+config SYS_MALLOC_F
+	default y
+
+config SYS_MALLOC_F_LEN
+	default 0x800
+
 config RAMBASE
 	hex
 	default 0x100000