renderer_vulkan: Add R16G16_UINT

- Used by Immortals Fenyx Rising

src/video_core/renderer_vulkan/maxwell_to_vk.cpp

@@ -162,7 +162,7 @@ struct FormatTuple {
     {VK_FORMAT_UNDEFINED},                                     // R16_SINT
     {VK_FORMAT_R16G16_UNORM, Attachable | Storage},            // R16G16_UNORM
     {VK_FORMAT_R16G16_SFLOAT, Attachable | Storage},           // R16G16_FLOAT
-    {VK_FORMAT_UNDEFINED},                                     // R16G16_UINT
+    {VK_FORMAT_R16G16_UINT, Attachable | Storage},             // R16G16_UINT
     {VK_FORMAT_R16G16_SINT, Attachable | Storage},             // R16G16_SINT
     {VK_FORMAT_R16G16_SNORM, Attachable | Storage},            // R16G16_SNORM
     {VK_FORMAT_UNDEFINED},                                     // R32G32B32_FLOAT

src/video_core/vulkan_common/vulkan_device.cpp

@@ -130,6 +130,7 @@ std::unordered_map<VkFormat, VkFormatProperties> GetFormatProperties(vk::Physica
         VK_FORMAT_R16G16_UNORM,
         VK_FORMAT_R16G16_SNORM,
         VK_FORMAT_R16G16_SFLOAT,
+        VK_FORMAT_R16G16_UINT,
         VK_FORMAT_R16G16_SINT,
         VK_FORMAT_R16_UNORM,
         VK_FORMAT_R16_SNORM,