Fixed eMMC install on FriendlyARM NanoPC T3+, adjusted docker dependencies, new boot script with SD card priority booting.

patch/u-boot/u-boot-s5p6818/script-loading.patch

@@ -0,0 +1,33 @@
+diff --git a/include/configs/s5p6818_nanopim3.h b/include/configs/s5p6818_nanopim3.h
+index 4175ecc..3bbe990 100644
+--- a/include/configs/s5p6818_nanopim3.h
++++ b/include/configs/s5p6818_nanopim3.h
+@@ -296,12 +296,23 @@
+ 			"stderr=serial,vga"
+ 
+ #define CONFIG_BOOTARGS \
+-    "console=ttySAC0,115200n8 initrd=0x49000000,0x2000000"
++	"rootdev=/dev/mmcblk2p1\0" \
++	"fdt_addr=0x48000000\0" \
++	"scriptaddr=0x40000000\0" \
++	"ramdisk_addr_r=0x49000000\0" \
++	"kernel_addr_r=0x4a000000\0" \
++    "console=ttySAC0,115200n8 root=${rootdev} console=tty1\0" \
++	"boot_a_script=mw ${scriptaddr} 0x100000; ext4load mmc ${devnum}:1 ${scriptaddr} ${prefix}boot.scr; source ${scriptaddr}\0" \
++	"boot_prefixes=/ /boot/\0" \
++	"boot_targets=1 0;\0"\
++	"bootcmd=run distro_bootcmd;\0" \
++	"bootcmd_mmc0=setenv devnum 0; run scan_dev_for_boot;\0" \
++	"bootcmd_mmc1=setenv devnum 1; run scan_dev_for_boot;\0" \
++	"distro_bootcmd=for target in ${boot_targets}; do run bootcmd_mmc${target}; done;\0" \
++	"scan_dev_for_boot=for prefix in ${boot_prefixes}; do run boot_a_script; done;\0"
+ 
+ #define CONFIG_BOOTCOMMAND	\
+-	"echo Waiting for environment...;" \
+-	"udown 0x48000000; " \
+-	"env import -t -r 0x48000000; " \
+-	"run bootcmd2"
++	"echo Booting Armbian...;" \
++	"run bootcmd;"
+ 
+ #endif /* __CONFIG_H__ */