drm/msm/a6xx: Fix a typo in an error message

'in' is duplicated in the error message. Axe one of them.
While at it, slighly improve indentation.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Rob Clark <robdclark@chromium.org>

drivers/gpu/drm/msm/adreno/a6xx_gmu.c

@@ -1011,7 +1011,7 @@ static int a6xx_gmu_rpmh_arc_votes_init(struct device *dev, u32 *votes,
 
 		if (j == pri_count) {
 			DRM_DEV_ERROR(dev,
-				"Level %u not found in in the RPMh list\n",
+				      "Level %u not found in the RPMh list\n",
 				      level);
 			DRM_DEV_ERROR(dev, "Available levels:\n");
 			for (j = 0; j < pri_count; j++)