[sw/silicon_creator] Update loop in the asm exception handler

Signed-off-by: Alphan Ulusoy <alphan@google.com>
diff --git a/sw/device/silicon_creator/lib/irq_asm.S b/sw/device/silicon_creator/lib/irq_asm.S
index 29af854..8163187 100644
--- a/sw/device/silicon_creator/lib/irq_asm.S
+++ b/sw/device/silicon_creator/lib/irq_asm.S
@@ -18,11 +18,12 @@
  * Exception handler that is safe to call before the C runtime has been
  * initialized. It must not use the stack or global pointer.
  *
- * The exception handler will use the watchdog timer to trigger a reset.
+ * The exception handler will use the reset manager to trigger a reset.
  */
   .globl _asm_exception_handler
   .type _asm_exception_handler, @function
 _asm_exception_handler:
+.L_exception_loop:
   // Request a system reset.
   li t0, TOP_EARLGREY_RSTMGR_AON_BASE_ADDR
   li t1, MULTIBIT_ASM_BOOL4_TRUE
@@ -35,10 +36,8 @@
   li t0, TOP_EARLGREY_FLASH_CTRL_CORE_BASE_ADDR
   sw zero, FLASH_CTRL_DIS_REG_OFFSET(t0)
 
-  // Enter a wait for interrupt loop, the device should reset shortly.
-.L_wfi_loop:
   wfi
-  j   .L_wfi_loop
+  j   .L_exception_loop
 
   // Set size so this function can be disassembled.
   .size _asm_exception_handler, .-_asm_exception_handler