feat: 更新虚拟机配置，移除CPU配置并优化内核映像加载逻辑

Author: ZR233

kernel/src/vmm/config.rs

@@ -69,10 +69,6 @@ pub fn build_vmconfig(cfg: AxVMCrateConfig) -> anyhow::Result<AxVMConfig> {
         id: cfg.base.id,
         name: cfg.base.name,
         cpu_num,
-        cpu_config: AxVCpuConfig {
-            bsp_entry: GuestPhysAddr::from(cfg.kernel.entry_point),
-            ap_entry: GuestPhysAddr::from(cfg.kernel.entry_point),
-        },
         image_config,
         memory_regions,
         emu_devices: cfg.devices.emu_devices,

kernel/src/vmm/images/mod.rs

@@ -32,7 +32,7 @@ fn load_images_mem(config: &AxVMCrateConfig) -> anyhow::Result<VMImagesConfig> {
 
     // Load kernel image
     let kernel = VMImageConfig {
-        gpa: Some(GuestPhysAddr::from(config.kernel.kernel_load_addr)),
+        gpa: config.kernel.kernel_load_addr.map(GuestPhysAddr::from),
         data: memory_image.kernel.to_vec(),
     };