StandaloneMmPkg/Core: Remove unneeded check

Remove unneeded check MmIsBufferOutsideMmValid() when
StandaloneMmCore checks if the BS data memory described
by a memory allocation HOB needs to be migrated to Mmram.

Previously, the API MmIsBufferOutsideMmValid() return TRUE
when input memory range belongs to non-Mmram memory. Now
the API has been changed in previous 5 commits to return
TRUE when a memory range belongs to non-Mmram memroy and
the memory is inside a range described by resource HOB.

To solve this gap and align with previous code logic,
considering we can have assumption that the memory range
in a memory allocation HOB should be non-Mmram memory, we
can directly remove the check MmIsBufferOutsideMmValid()
and always migrate the BS data memory described by a memory
allocation HOB to Mmram.

Signed-off-by: Dun Tan <[email protected]>

StandaloneMmPkg/Core/StandaloneMmCore.c

@@ -665,13 +665,7 @@ MigrateMemoryAllocationHobs (
   Hob.Raw             = GetNextHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, HobStart);
   while (Hob.Raw != NULL) {
     MemoryAllocationHob = (EFI_HOB_MEMORY_ALLOCATION *)Hob.Raw;
-    if ((MemoryAllocationHob->AllocDescriptor.MemoryType == EfiBootServicesData) &&
-        (MmIsBufferOutsideMmValid (
-           MemoryAllocationHob->AllocDescriptor.MemoryBaseAddress,
-           MemoryAllocationHob->AllocDescriptor.MemoryLength
-           ))
-        )
-    {
+    if (MemoryAllocationHob->AllocDescriptor.MemoryType == EfiBootServicesData) {
       if (!IsZeroGuid (&MemoryAllocationHob->AllocDescriptor.Name)) {
         MemoryInMmram = AllocatePages (EFI_SIZE_TO_PAGES (MemoryAllocationHob->AllocDescriptor.MemoryLength));
         if (MemoryInMmram != NULL) {