irq: irq_cpu_locked can be remove

[hujun260]

Summary

All irq_cpu_locked is called in the critical_section, and the parameter is the current cpu id.
so it must return false, We can safely delete.

Impact

Testing

[acassis]

Strange, libmetal is failing! Maybe we should fallback to librock :-D

[masayuki2009]

@hujun260

Please describe which configurations and applications you tested.

[hujun260]

@hujun260

Please describe which configurations and applications you tested.

This patch will affect all SMP archs. We have tested it on multi-core scenarios using QEMU's arm64, as well as on other hardware platforms。

Compilation Command:
make distclean -j20; ./tools/configure.sh -l qemu-armv8a:nsh_smp ;make -j20

Running Command:
qemu-system-aarch64 -cpu cortex-a53 -smp 4 -nographic -machine virt,virtualization=on,gic-version=3 -net none -chardev stdio,id=con,mux=on -serial chardev:con -mon chardev=con,mode=readline -kernel ./nuttx