Added more missing formats like DXGI_FORMAT_B8G8R8A8_TYPELESS to GetBitsPerPixel Fixes https://github.com/GPUOpen-LibrariesAndSDKs/D3D12MemoryAllocator/issues/88

diff --git a/src/D3D12MemAlloc.cpp b/src/D3D12MemAlloc.cpp
index ce47be6..7ebf580 100644
--- a/src/D3D12MemAlloc.cpp
+++ b/src/D3D12MemAlloc.cpp

@@ -705,6 +705,9 @@
         return 32;

     case DXGI_FORMAT_B8G8R8A8_UNORM:

     case DXGI_FORMAT_B8G8R8X8_UNORM:

+    case DXGI_FORMAT_B8G8R8A8_TYPELESS:

+    case DXGI_FORMAT_B8G8R8A8_UNORM_SRGB:

+    case DXGI_FORMAT_B8G8R8X8_TYPELESS:

     case DXGI_FORMAT_B8G8R8X8_UNORM_SRGB:

         return 32;

     case DXGI_FORMAT_R8G8_TYPELESS: