drm/i915: Make intel_lr_context_render_state_init() static

This function is only used in intel_lrc.c, so restrict it to that file. The
function was moved around to avoid a forward declaration and group it with its
user.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/intel_lrc.h

@@ -72,8 +72,6 @@ int intel_logical_ring_begin(struct intel_ringbuffer *ringbuf,
 			     int num_dwords);
 
 /* Logical Ring Contexts */
-int intel_lr_context_render_state_init(struct intel_engine_cs *ring,
-				       struct intel_context *ctx);
 void intel_lr_context_free(struct intel_context *ctx);
 int intel_lr_context_deferred_create(struct intel_context *ctx,
 				     struct intel_engine_cs *ring);