enable edge kernel to h96-tvbox-3566 TV-box (#7310)

* enable edge kernel to h96-tvbox-3566

* enable edge kernel to h96-tvbox-3566

* enable edge kernel to h96-tvbox-3566

Author: hqnicolas

config/boards/h96-tvbox-3566.tvb

@@ -3,7 +3,7 @@ BOARD_NAME="h96-tvbox-3566"
 BOARDFAMILY="rockchip64"
 BOARD_MAINTAINER="hqnicolas"
 BOOTCONFIG="rk3568_defconfig"
-KERNEL_TARGET="current"
+KERNEL_TARGET="current,edge"
 FULL_DESKTOP="yes"
 BOOT_LOGO="desktop"
 BOOT_FDT_FILE="rockchip/rk3566-h96-tvbox.dtb"