config_tool: reformat scenario and launch xml

reformat scenario and launch xml

Tracked-On: #6685
Signed-off-by: Weiyi Feng <weiyix.feng@intel.com>

misc/config_tools/data/nuc11tnbi5/shared.xml

@@ -37,7 +37,7 @@
       <MCE_ON_PSC_DISABLED>n</MCE_ON_PSC_DISABLED>
       <IVSHMEM>
         <IVSHMEM_ENABLED>n</IVSHMEM_ENABLED>
-        <IVSHMEM_REGION></IVSHMEM_REGION>
+        <IVSHMEM_REGION/>
       </IVSHMEM>
     </FEATURES>
     <MEMORY>
@@ -52,7 +52,7 @@
       <MAX_PCI_DEV_NUM>96</MAX_PCI_DEV_NUM>
       <MAX_IOAPIC_LINES>120</MAX_IOAPIC_LINES>
       <MAX_PT_IRQ_ENTRIES>256</MAX_PT_IRQ_ENTRIES>
-      <MAX_MSIX_TABLE_NUM></MAX_MSIX_TABLE_NUM>
+      <MAX_MSIX_TABLE_NUM/>
       <MAX_EMULATED_MMIO>16</MAX_EMULATED_MMIO>
     </CAPACITIES>
     <MISC_CFG>
@@ -76,7 +76,7 @@
       <name>ACRN Service OS</name>
       <kern_type>KERNEL_BZIMAGE</kern_type>
       <kern_mod>Linux_bzImage</kern_mod>
-      <ramdisk_mod></ramdisk_mod>
+      <ramdisk_mod/>
       <bootargs>SERVICE_VM_OS_BOOTARGS</bootargs>
     </os_config>
     <legacy_vuart id="0">
@@ -100,7 +100,7 @@
       <target_uart_id>1</target_uart_id>
     </communication_vuart>
     <pci_devs>
-      <pci_dev></pci_dev>
+      <pci_dev/>
     </pci_devs>
     <board_private>
       <rootfs>/dev/nvme0n1p3</rootfs>
@@ -350,4 +350,4 @@
     </communication_vuart>
     <PTM>n</PTM>
   </vm>
-</acrn-config>
+</acrn-config>