Documentation: fix formatting in partition mode tutorial

Fix the indentation to make a line part of the correct
paragraph (instead of having it erroneously displayed as
part of the previous code-block)

Tracked-On: #2031
Signed-off-by: Geoffroy Van Cutsem <geoffroy.vancutsem@intel.com>

doc/tutorials/using_partition_mode_on_up2.rst

@@ -110,7 +110,7 @@ Enable partition mode in ACRN hypervisor
      00:18.0 . Series HSUART Controller #1 (rev 0b)
      00:18.1 . Series HSUART Controller #2 (rev 0b)
 
-     The second with ``00:18.1`` is the one on the 40-pin expansion connector.
+   The second with ``00:18.1`` is the one on the 40-pin expansion connector.
 
    The following command prints detailed information about all PCI buses
    and devices in the system. Look up the PCI BAR addresses of the SATA