sdm: Set inline rotator prefill bw property to driver

Change-Id: Ie775db54ef2c254f670ad072c51b1daf18cd9786
CRs-Fixed: 2158709
diff --git a/libdrmutils/drm_interface.h b/libdrmutils/drm_interface.h
index 97660ea..8d9de75 100644
--- a/libdrmutils/drm_interface.h
+++ b/libdrmutils/drm_interface.h
@@ -211,6 +211,12 @@
    */
   CRTC_SET_DRAM_IB,
   /*
+   * Op: Sets Rotator BW for inline rotation
+   * Arg: uint32_t - CRTC ID
+   *      uint32_t - rot_bw
+   */
+  CRTC_SET_ROT_PREFILL_BW,
+  /*
    * Op: Sets rotator clock for inline rotation
    * Arg: uint32_t - CRTC ID
    *      uint32_t - rot_clk