Macpaul Lin 569bc625e3 nds32: Use getenv_ulong() in place of getenv(), strtoul 13 lat temu
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Makefile 463d47f66c nds32/lib: add generic funcs in NDS32 lib 13 lat temu
board.c 569bc625e3 nds32: Use getenv_ulong() in place of getenv(), strtoul 13 lat temu
bootm.c 463d47f66c nds32/lib: add generic funcs in NDS32 lib 13 lat temu
interrupts.c 463d47f66c nds32/lib: add generic funcs in NDS32 lib 13 lat temu