drm/mediatek: Remove less-than-zero comparison of an unsigned value

Fix a Coverity error that less-than-zero comparison of an unsigned value
is never true.

Fixes: 119f5173 ("drm/mediatek: Add DRM Driver for Mediatek SoC MT8173.")
Signed-off-by: Hsiao Chien Sung <shawn.sung@mediatek.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Link: https://patchwork.kernel.org/project/dri-devel/patch/20240614034937.23978-1-shawn.sung@mediatek.com/Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>

drivers/gpu/drm/mediatek/mtk_ddp_comp.c

@@ -593,7 +593,7 @@ int mtk_ddp_comp_init(struct device_node *node, struct mtk_ddp_comp *comp,
 	int ret;
 #endif
 
-	if (comp_id < 0 || comp_id >= DDP_COMPONENT_DRM_ID_MAX)
+	if (comp_id >= DDP_COMPONENT_DRM_ID_MAX)
 		return -EINVAL;
 
 	type = mtk_ddp_matches[comp_id].type;