gallium: add PIPE_CAP_BINDLESS_TEXTURE

Whether bindless texture operations are supported by the
underlying driver.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index c02bbdb..b195af4 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -773,6 +773,7 @@
    PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX,
    PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION,
    PIPE_CAP_POST_DEPTH_COVERAGE,
+   PIPE_CAP_BINDLESS_TEXTURE,
 };
 
 #define PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50 (1 << 0)