Integrate meta-seco-imx/u-boot-seco-imx/seco_lf_v2021.04_develop_c43_ym
requested to merge integrate/meta-seco-imx/u-boot-seco-imx/seco_lf_v2021.04_develop_c43_ym/into/kirkstone into kirkstone
Integrate u-boot-seco-imx/seco_lf_v2021.04_develop_c43_ym
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[C43][ENV_CONF] fix typo on BOARD_ROOT_ID_SD