MAINTAINERS: Add Konrad Dybcio as a reviewer for the Adreno driver

Add myself as a reviewer for Adreno driver changes.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/590705/Signed-off-by: Rob Clark <robdclark@chromium.org>

MAINTAINERS

@@ -6805,6 +6805,7 @@ F:	drivers/gpu/drm/tiny/panel-mipi-dbi.c
 DRM DRIVER for Qualcomm Adreno GPUs
 M:	Rob Clark <robdclark@gmail.com>
 R:	Sean Paul <sean@poorly.run>
+R:	Konrad Dybcio <konrad.dybcio@linaro.org>
 L:	linux-arm-msm@vger.kernel.org
 L:	dri-devel@lists.freedesktop.org
 L:	freedreno@lists.freedesktop.org