drm/msm/dpu: Fix a typo

s/poiner/pointer/
Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Link: https://lore.kernel.org/r/20210322120601.2086438-1-unixbhaskar@gmail.comAcked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>

drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h

@@ -256,7 +256,7 @@ void dpu_kms_encoder_enable(struct drm_encoder *encoder);
 
 /**
  * dpu_kms_get_clk_rate() - get the clock rate
- * @dpu_kms:  poiner to dpu_kms structure
+ * @dpu_kms:  pointer to dpu_kms structure
  * @clock_name: clock name to get the rate
  *
  * Return: current clock rate