Revert "ARM: zynq: disable CONFIG_SYS_MALLOC_F to fix MMC boot"

This reverts commit 321f86e1.

The original bug has been fixed.

Signed-off-by: Simon Glass <sjg@chromium.org>
Tested-on: Zedboard and ZC706 board
Tested-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Tested-on: zc702
Tested-by: Michal Simek <michal.simek@xilinx.com>

configs/zynq_microzed_defconfig

 CONFIG_ARM=y
 CONFIG_ARCH_ZYNQ=y
-# CONFIG_SYS_MALLOC_F is not set
 CONFIG_TARGET_ZYNQ_MICROZED=y
 CONFIG_DEFAULT_DEVICE_TREE="zynq-microzed"
 CONFIG_SPL=y

configs/zynq_zc702_defconfig

 CONFIG_ARM=y
 CONFIG_ARCH_ZYNQ=y
-# CONFIG_SYS_MALLOC_F is not set
 CONFIG_DEFAULT_DEVICE_TREE="zynq-zc702"
 CONFIG_SPL=y
 CONFIG_FIT=y

configs/zynq_zc706_defconfig

 CONFIG_ARM=y
 CONFIG_ARCH_ZYNQ=y
-# CONFIG_SYS_MALLOC_F is not set
 CONFIG_TARGET_ZYNQ_ZC706=y
 CONFIG_DEFAULT_DEVICE_TREE="zynq-zc706"
 CONFIG_SPL=y

configs/zynq_zc70x_defconfig

 CONFIG_ARM=y
 CONFIG_ARCH_ZYNQ=y
-# CONFIG_SYS_MALLOC_F is not set
 CONFIG_TARGET_ZYNQ_ZC70X=y
 CONFIG_DEFAULT_DEVICE_TREE="zynq-zc702"
 CONFIG_SPL=y

configs/zynq_zc770_xm010_defconfig

 CONFIG_ARM=y
 CONFIG_ARCH_ZYNQ=y
-# CONFIG_SYS_MALLOC_F is not set
 CONFIG_TARGET_ZYNQ_ZC770=y
 CONFIG_DEFAULT_DEVICE_TREE="zynq-zc770-xm010"
 CONFIG_SPL=y

configs/zynq_zc770_xm011_defconfig

 CONFIG_ARM=y
 CONFIG_ARCH_ZYNQ=y
-# CONFIG_SYS_MALLOC_F is not set
 CONFIG_TARGET_ZYNQ_ZC770=y
 CONFIG_DEFAULT_DEVICE_TREE="zynq-zc770-xm011"
 CONFIG_SPL=y

configs/zynq_zc770_xm012_defconfig

 CONFIG_ARM=y
 CONFIG_ARCH_ZYNQ=y
-# CONFIG_SYS_MALLOC_F is not set
 CONFIG_TARGET_ZYNQ_ZC770=y
 CONFIG_DEFAULT_DEVICE_TREE="zynq-zc770-xm012"
 CONFIG_SPL=y

configs/zynq_zc770_xm013_defconfig

 CONFIG_ARM=y
 CONFIG_ARCH_ZYNQ=y
-# CONFIG_SYS_MALLOC_F is not set
 CONFIG_TARGET_ZYNQ_ZC770=y
 CONFIG_DEFAULT_DEVICE_TREE="zynq-zc770-xm013"
 CONFIG_SPL=y

configs/zynq_zed_defconfig

 CONFIG_ARM=y
 CONFIG_ARCH_ZYNQ=y
-# CONFIG_SYS_MALLOC_F is not set
 CONFIG_TARGET_ZYNQ_ZED=y
 CONFIG_DEFAULT_DEVICE_TREE="zynq-zed"
 CONFIG_SPL=y

configs/zynq_zybo_defconfig

 CONFIG_ARM=y
 CONFIG_ARCH_ZYNQ=y
-# CONFIG_SYS_MALLOC_F is not set
 CONFIG_TARGET_ZYNQ_ZYBO=y
 CONFIG_DEFAULT_DEVICE_TREE="zynq-zybo"
 CONFIG_SPL=y