UefiPayloadPkg: Dump hob information from boot loader

V1:
Universal Payload will consume Hobs from boot loader.
Dump all hobs in the Universal Payload entry.
V2:
Add function comments

V3:
minor change, for example Hobsize -> HobLength, SMBiosTable -> SmBiosTable

Cc: Maurice Ma <maurice.ma@intel.com>
Cc: Guo Dong <guo.dong@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Benjamin You <benjamin.you@intel.com>

Signed-off-by: Thiyagu Kesavan Balakrishnan <thiyagux.kesavan.balakrishnan@intel.com>
Signed-off-by: Zhiguang Liu <zhiguang.liu@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>

UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry.c

@@ -25,6 +25,16 @@
 
 extern VOID  *mHobList;
 
+/**
+  Print all HOBs info from the HOB list.
+
+  @return The pointer to the HOB list.
+**/
+VOID
+PrintHob (
+  IN CONST VOID             *HobStart
+  );
+
 /**
   Some bootloader may pass a pcd database, and UPL also contain a PCD database.
   Dxe PCD driver has the assumption that the two PCD database can be catenated and
@@ -375,6 +385,13 @@ _ModuleEntryPoint (
   DEBUG ((DEBUG_INFO, "Entering Universal Payload...\n"));
   DEBUG ((DEBUG_INFO, "sizeof(UINTN) = 0x%x\n", sizeof(UINTN)));
 
+  DEBUG_CODE (
+    //
+    // Dump the Hobs from boot loader
+    //
+    PrintHob (mHobList);
+  );
+
   // Initialize floating point operating environment to be compliant with UEFI spec.
   InitializeFloatingPointUnits ();