TQ3568 Buildroot文件系统终端上支持中文显示调试方法

修改busybox配置单  

如果是buildroot 则 make busybox-menuconfig ARCH=arm64

diff --git a/rootfs/buildroot/package/busybox/busybox.config b/rootfs/buildroot/package/busybox/busybox.config            
index 02b1ee1..abc857e 100644            
--- a/rootfs/buildroot/package/busybox/busybox.config            
+++ b/rootfs/buildroot/package/busybox/busybox.config            
@@ -26,14 +26,14 @@ CONFIG_FEATURE_VERBOSE_USAGE=y            
CONFIG_BUSYBOX=y            
CONFIG_FEATURE_INSTALLER=y            
# CONFIG_INSTALL_NO_USR is not set            
-# CONFIG_LOCALE_SUPPORT is not set            
-# CONFIG_UNICODE_SUPPORT is not set            
+CONFIG_LOCALE_SUPPORT=y            
+CONFIG_UNICODE_SUPPORT=y            
# CONFIG_UNICODE_USING_LOCALE is not set            
-# CONFIG_FEATURE_CHECK_UNICODE_IN_ENV is not set            
-CONFIG_SUBST_WCHAR=0            
-CONFIG_LAST_SUPPORTED_WCHAR=0            
+CONFIG_FEATURE_CHECK_UNICODE_IN_ENV=y            
+CONFIG_SUBST_WCHAR=63            
+CONFIG_LAST_SUPPORTED_WCHAR=40907            
# CONFIG_UNICODE_COMBINING_WCHARS is not set            
-# CONFIG_UNICODE_WIDE_WCHARS is not set            
# 这个好像可以不用．            
+CONFIG_UNICODE_WIDE_WCHARS=y            
# CONFIG_UNICODE_BIDI_SUPPORT is not set            
# CONFIG_UNICODE_NEUTRAL_TABLE is not set            
# CONFIG_UNICODE_PRESERVE_BROKEN is not set            
@@ -805,13 +805,13 @@ CONFIG_ARPING=y