ARM64: Move HUSH enabling from board file to defconfig

Simplify board config file.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>

configs/xilinx_zynqmp_ep_defconfig

@@ -6,6 +6,7 @@ CONFIG_SYS_TEXT_BASE=0x8000000
 CONFIG_DEFAULT_DEVICE_TREE="zynqmp-ep108"
 CONFIG_FIT=y
 CONFIG_FIT_VERBOSE=y
+CONFIG_HUSH_PARSER=y
 CONFIG_SYS_PROMPT="ZynqMP> "
 # CONFIG_CMD_CONSOLE is not set
 # CONFIG_CMD_IMLS is not set

include/configs/xilinx_zynqmp.h

@@ -184,7 +184,6 @@
 #define CONFIG_SYS_CBSIZE		2048
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
 					sizeof(CONFIG_SYS_PROMPT) + 16)
-#define CONFIG_SYS_HUSH_PARSER
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
 #define CONFIG_SYS_LONGHELP
 #define CONFIG_CMDLINE_EDITING