add build kerneldeb -- modify dts

hc

2023-10-25 6c2073b7aa40e29d0eca7d571dd7bc590c7ecaa7

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ifdef CONFIG_KCOV
 
kcov-flags-$(CONFIG_CC_HAS_SANCOV_TRACE_PC)    += -fsanitize-coverage=trace-pc
kcov-flags-$(CONFIG_KCOV_ENABLE_COMPARISONS)    += -fsanitize-coverage=trace-cmp
kcov-flags-$(CONFIG_GCC_PLUGIN_SANCOV)        += -fplugin=$(objtree)/scripts/gcc-plugins/sancov_plugin.so
 
export CFLAGS_KCOV := $(kcov-flags-y)
 
endif