Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

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diff --git a/roms/u-boot/doc/usage/exception.rst b/roms/u-boot/doc/usage/exception.rst
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+exception command
+=================
+
+Synopsis
+--------
+
+::
+
+    exception <type>
+
+Description
+-----------
+
+The exception command is used to test the handling of exceptions like undefined
+instructions, segmentation faults or alignment faults.
+
+type
+  type of exception to be generated. The available types are architecture
+  dependent. Use 'help exception' to determine which are available.
+
+  **ARM:**
+
+  breakpoint
+    prefetch abort
+
+  unaligned
+    data abort
+
+  undefined
+    undefined instruction
+
+  **RISC-V:**
+
+  ebreak
+    breakpoint exception
+
+  unaligned
+    load address misaligned
+
+  undefined
+    undefined instruction
+
+  **Sandbox:**
+
+  sigsegv
+    illegal memory access
+
+  undefined
+    undefined instruction
+
+  **x86:**
+
+  undefined
+    undefined instruction
+
+Examples
+--------
+
+::
+
+    => exception undefined
+
+    Illegal instruction
+    pc = 0x56076dd1a0f9, pc_reloc = 0x540f9
+
+    resetting ...