format code

Author: luodeb

src/exception.rs

@@ -1,6 +1,7 @@
 use aarch64_cpu::registers::{ESR_EL2, HCR_EL2, Readable, SCTLR_EL1, VTCR_EL2, VTTBR_EL2};
 
-use axaddrspace::{GuestPhysAddr, device::AccessWidth};
+use axaddrspace::GuestPhysAddr;
+use axaddrspace::device::AccessWidth;
 use axerrno::{AxError, AxResult};
 use axvcpu::AxVCpuExitReason;