[libcpu-riscv]: [surpport SMP]: Add SMP support for qemu-virt64-riscv#11015

Rbb666 merged 1 commit intoRT-Thread:masterRT-Thread/rt-thread:masterfrom

Tm-C-mT:QEMU-VIRT64-RISCV-PUSHTm-C-mT/rt-thread:QEMU-VIRT64-RISCV-PUSHCopy head branch name to clipboard