实现unified-init库，支持收集初始化函数到一个数组，并统一初始化 (#474)

* 添加“统一初始化”的过程宏，并把SystemError独立成crate

* 使用unified-init来初始化fbmem

* 更新workflow，增加内核自动化静态测试

kernel/src/mm/mmio_buddy.rs

@@ -1,7 +1,6 @@
 use crate::libs::spinlock::{SpinLock, SpinLockGuard};
 use crate::mm::kernel_mapper::KernelMapper;
 use crate::process::ProcessManager;
-use crate::syscall::SystemError;
 use crate::{
     include::bindings::bindings::{PAGE_1G_SHIFT, PAGE_4K_SHIFT, PAGE_4K_SIZE},
     kdebug,
@@ -12,6 +11,7 @@ use alloc::{collections::LinkedList, vec::Vec};
 use core::mem;
 use core::mem::MaybeUninit;
 use core::sync::atomic::{compiler_fence, AtomicBool, Ordering};
+use system_error::SystemError;
 
 use super::page::PageFlags;
 use super::{PhysAddr, VirtAddr};