manual: Fix missing init thread domain in boot info.

manual/parts/bootup.tex

@@ -105,6 +105,7 @@ of slots in the initial thread's CNode, starting with CPTR \texttt{start} and wi
       \texttt{uint8\_t}             & \texttt{initThreadCNodeSizeBits} & CNode size ($2^n$ slots) \\
       \texttt{seL4\_Word}           & \texttt{numDeviceRegions}        & number of device memory regions \\
       \texttt{seL4\_DeviceRegion[]} & \texttt{deviceRegions}           & device memory regions (see \autoref{tab:device_region_struct}) \\
+      \texttt{uint32\_t}            & \texttt{initThreadDomain}        & domain of the initial thread (see \autoref{sec:domains}) \\
       \bottomrule
     \end{tabularx}
   \end{center}