zhkag 657cbfdac7 修复编译警告 3 lat temu
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SConscript ecf2d82159 sync branch rt-smart. (#6641) 3 lat temu
cputime.c 657cbfdac7 修复编译警告 3 lat temu
cputime_cortexm.c 21472e3ff0 fix cputime and ctime. 3 lat temu
cputime_riscv.c 21472e3ff0 fix cputime and ctime. 3 lat temu