meta: change to use libubootenv to provide u-boot-fw-utils

The changes include:
- Drop PREFERRED_PROVIDER_u-boot-fw-utils from machine conf.
- Drop u-boot-toradex-fw-utils recipes.
- Drop fw_unlock_mmc.sh, that's not needed for libubootenv.
- Drop u-boot.inc, use default u-boot.inc from OE layer.
- Add fw_env.config to uboot recipe.
- Set UBOOT_INITIAL_ENV to u-boot-initial-env, which is being referred
  in libubootenv.

Related-to: ELB-2552
Signed-off-by: Ming Liu <ming.liu@toradex.com>

1 files changed, 0 insertions, 6 deletions

diff --git a/recipes-bsp/u-boot/files/apalis-imx6/fw_unlock_mmc.sh b/recipes-bsp/u-boot/files/apalis-imx6/fw_unlock_mmc.sh
deleted file mode 100644
index 130a425..0000000
--- a/recipes-bsp/u-boot/files/apalis-imx6/fw_unlock_mmc.sh
+++ /dev/null
@@ -1,6 +0,0 @@
-# Give fw_setenv mmcblkXboot0 write permissions
-fw_setenv() {
-    echo 0 > /sys/block/mmcblk2boot0/force_ro
-    /sbin/fw_setenv "$@"
-    echo 1 > /sys/block/mmcblk2boot0/force_ro
-}