i965/meta: Use _mesa_CreateFramebuffers instead of _mesa_GenFramebuffers

This enables later patches that will stop calling _mesa_GenFramebuffers
or _mesa_CreateFramebuffers which pollute the framebuffer namespace.

For framebuffers, the Bind call is still necessary.

sed -i -e 's/_mesa_GenFramebuffers/_mesa_CreateFramebuffers/' \
    src/mesa/drivers/dri/i965/*.c

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>

src/mesa/drivers/dri/i965/brw_meta_fast_clear.c

@@ -856,7 +856,7 @@ brw_meta_resolve_color(struct brw_context *brw,
 
    _mesa_meta_begin(ctx, MESA_META_ALL);
 
-   _mesa_GenFramebuffers(1, &fbo);
+   _mesa_CreateFramebuffers(1, &fbo);
    rb = brw_get_rb_for_slice(brw, mt, 0, 0, false);
 
    _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER, fbo);

src/mesa/drivers/dri/i965/brw_meta_stencil_blit.c

@@ -436,7 +436,7 @@ brw_meta_stencil_blit(struct brw_context *brw,
    assert(ctx->Extensions.ARB_texture_stencil8 == false);
    ctx->Extensions.ARB_texture_stencil8 = true;
 
-   _mesa_GenFramebuffers(1, &fbo);
+   _mesa_CreateFramebuffers(1, &fbo);
    /* Force the surface to be configured for level zero. */
    rb = brw_get_rb_for_slice(brw, dst_mt, 0, dst_layer, true);
    adjust_msaa(&dims, dst_mt->num_samples);
@@ -543,7 +543,7 @@ brw_meta_stencil_updownsample(struct brw_context *brw,
    brw_emit_mi_flush(brw);
    _mesa_meta_begin(ctx, MESA_META_ALL);
 
-   _mesa_GenFramebuffers(1, &fbo);
+   _mesa_CreateFramebuffers(1, &fbo);
    rb = brw_get_rb_for_slice(brw, src, 0, 0, false);
 
    _mesa_BindFramebuffer(GL_READ_FRAMEBUFFER, fbo);

src/mesa/drivers/dri/i965/brw_meta_updownsample.c

@@ -113,7 +113,7 @@ brw_meta_updownsample(struct brw_context *brw,
    brw_emit_mi_flush(brw);
 
    _mesa_meta_begin(ctx, MESA_META_ALL);
-   _mesa_GenFramebuffers(2, fbos);
+   _mesa_CreateFramebuffers(2, fbos);
    src_rb = brw_get_rb_for_slice(brw, src_mt, 0, 0, false);
    dst_rb = brw_get_rb_for_slice(brw, dst_mt, 0, 0, false);
    src_fbo = fbos[0];