ARM: zynq: cse: Shrink u-boot size

U-Boot is growing that's why not needed features can be disabled:
- CMDLINE_EDITING
- AUTO_COMPLETE
- SYS_LONGHELP

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/configs/zynq_cse_nand_defconfig b/configs/zynq_cse_nand_defconfig
index 416d91d..9bb02ad 100644
--- a/configs/zynq_cse_nand_defconfig
+++ b/configs/zynq_cse_nand_defconfig
@@ -9,6 +9,9 @@
 # CONFIG_BOARD_LATE_INIT is not set
 # CONFIG_DISPLAY_CPUINFO is not set
 CONFIG_SPL_STACK_R=y
+# CONFIG_CMDLINE_EDITING is not set
+# CONFIG_AUTO_COMPLETE is not set
+# CONFIG_SYS_LONGHELP is not set
 CONFIG_SYS_PROMPT="Zynq> "
 # CONFIG_AUTOBOOT is not set
 # CONFIG_CMD_BDI is not set
diff --git a/configs/zynq_cse_nor_defconfig b/configs/zynq_cse_nor_defconfig
index addc21f..4432997 100644
--- a/configs/zynq_cse_nor_defconfig
+++ b/configs/zynq_cse_nor_defconfig
@@ -9,6 +9,9 @@
 # CONFIG_BOARD_LATE_INIT is not set
 # CONFIG_DISPLAY_CPUINFO is not set
 CONFIG_SPL_STACK_R=y
+# CONFIG_CMDLINE_EDITING is not set
+# CONFIG_AUTO_COMPLETE is not set
+# CONFIG_SYS_LONGHELP is not set
 CONFIG_SYS_PROMPT="Zynq> "
 # CONFIG_AUTOBOOT is not set
 # CONFIG_CMD_BDI is not set