Cleanup boot files & Kenrel 5.7.10 (#782)

* Odroid: Update kernel 5.7.10

* Cleanup boot files

* Fix patches

buildroot-external/board/hardkernel/odroid-xu4/boot-env.txt

@@ -1,40 +0,0 @@
-
-macaddr=00:1e:06:61:7a:39
-vout=hdmi
-# - DVI Mode (disables sound over HDMI as per DVI compat)
-# vout=dvi
-
-# --- HDMI CEC Configuration ---
-# ------------------------------------------
-cecenable=false
-# set to true to enable HDMI CEC
-
-# Enable/Disable ODROID-VU7 Touchsreen
-disable_vu7=false
-
-# DRAM Frequency
-# Sets the LPDDR3 memory frequency
-# Supported values: 933 825 728 633 (MHZ)
-ddr_freq=825
-
-# External watchdog board enable
-external_watchdog=false
-# debounce time set to 3 ~ 10 sec, default 3 sec
-external_watchdog_debounce=3
-
-
-#------------------------------------------------------------------------------
-#
-# HDMI Hot Plug detection
-#
-#------------------------------------------------------------------------------
-#
-# Forces the HDMI subsystem to ignore the check if the cable is connected or
-# not.
-# false : disable the detection and force it as connected.
-# true : let cable, board and monitor decide the connection status.
-#
-# default: true
-#
-#------------------------------------------------------------------------------
-HPD=true

buildroot-external/board/hardkernel/odroid-xu4/hassos-hook.sh

@@ -10,7 +10,6 @@ function hassos_pre_image() {
     local spl_img="$(path_spl_img)"
 
     cp "${BINARIES_DIR}/boot.scr" "${BOOT_DATA}/boot.scr"
-    cp "${BOARD_DIR}/boot-env.txt" "${BOOT_DATA}/config.txt"
     cp "${BINARIES_DIR}/exynos5422-odroidxu4.dtb" "${BOOT_DATA}/exynos5422-odroidxu4.dtb"
 
     echo "console=tty1 console=ttySAC2,115200" > "${BOOT_DATA}/cmdline.txt"

buildroot-external/board/hardkernel/odroid-xu4/uboot-boot.ush

@@ -25,12 +25,7 @@ if load mmc ${devnum}:1 ${ramdisk_addr_r} config.txt; then
 fi
 
 # Board bootargs
-setenv hdmi_phy_control "HPD=${HPD} vout=${vout}"
-if test "${cecenable}" = "false"; then fdt rm /cec@101B0000; fi
-if test "${disable_vu7}" = "false"; then setenv hid_quirks "usbhid.quirks=0x0eef:0x0005:0x0004"; fi
-if test "${external_watchdog}" = "true"; then setenv external_watchdog "external_watchdog=${external_watchdog} external_watchdog_debounce=${external_watchdog_debounce}"; fi
-
-setenv bootargs_odroidxu4 "${videoconfig} ${hdmi_phy_control} ${hid_quirks} smsc95xx.macaddr=${macaddr} ${external_watchdog}"
+setenv bootargs_odroidxu4 ""
 
 # HassOS bootargs
 setenv bootargs_hassos "zram.enabled=1 zram.num_devices=3 apparmor=1 security=apparmor systemd.machine_id=${MACHINE_ID} cgroup_enable=memory"