minigbm: amdgpu: Add RGB565 to supported render target formats

Added DRM_FORMAT_RGB565 to the list of supported render_target_formats.

BUG=b:67914863
TEST=On Kahlee, sample Android GL application renders a red triangle correctly
using the RGB565 render target format.

Change-Id: I79c6cafebfb111bb75182fc48ce0216f1bc789fd
Reviewed-on: https://chromium-review.googlesource.com/739758
Commit-Ready: Alec Thilenius <athilenius@chromium.org>
Tested-by: Alec Thilenius <athilenius@chromium.org>
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
diff --git a/amdgpu.c b/amdgpu.c
index b5bcbb6..1a1f9fc 100644
--- a/amdgpu.c
+++ b/amdgpu.c
@@ -41,8 +41,8 @@
 };
 // clang-format on
 
-const static uint32_t render_target_formats[] = { DRM_FORMAT_ARGB8888, DRM_FORMAT_XBGR8888,
-						  DRM_FORMAT_XRGB8888 };
+const static uint32_t render_target_formats[] = { DRM_FORMAT_ARGB8888, DRM_FORMAT_RGB565,
+                                                  DRM_FORMAT_XBGR8888, DRM_FORMAT_XRGB8888 };
 
 const static uint32_t texture_source_formats[] = { DRM_FORMAT_GR88, DRM_FORMAT_R8, DRM_FORMAT_NV21,
 						   DRM_FORMAT_NV12 };