add support ota

hc

2023-02-18 a08c8b75ee83d7f62c9aefc23bfb42082aa4076c

 device/rockchip/rk356x/BoardConfig-rk3568-evb1-ddr4-v10.mk
..
..
@@ -55,7 +55,8 @@
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 #userdata config
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 export RK_USERDATA_DIR=userdata_normal
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 #misc image
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-export RK_MISC=wipe_all-misc.img
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+#export RK_MISC=wipe_all-misc.img
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+export RK_MISC=blank-misc.img
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 #choose enable distro module
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 export RK_DISTRO_MODULE=
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 # Define pre-build script for this board