Change PLATFORM_ROOT to TF_PLATFORM_ROOT
Since we use "?=" to set PLATFORM_ROOT, it is better to change the name to be more special, or else it may be overridden by some environment variables, such as in some CI build environments. Signed-off-by: Heyi Guo <heyi.guo@linaro.org> |
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make_helpers/plat_helpers.mk |
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tools/cert_create/Makefile |
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