misc: xilinx-ai-engine: remove repeated words in comments

Remove repeated words in comments.
Signed-off-by: NWendy Liang <wendy.liang@xilinx.com>

drivers/misc/xilinx-ai-engine/ai-engine-dev.c

@@ -530,7 +530,7 @@ static int aie_partition_dev_match(struct device *dev, const void *data)
  *	    NULL.
  *
  * This function looks up all the devices of the AI engine class to check if
- * the device is AI engine partition device if if the partition ID matches.
+ * the device is AI engine partition device if the partition ID matches.
  */
 static struct aie_partition *aie_class_find_partition_from_id(u32 partition_id)
 {

drivers/misc/xilinx-ai-engine/ai-engine-dma.c

@@ -82,7 +82,7 @@ aie_part_find_dmabuf_from_file(struct aie_partition *apart,
  * @apart: AI engine partition
  * @va: virtual address
  * @len: memory length
- * @return: dma address of of the specified va, or 0 if va is not valid
+ * @return: dma address of the specified va, or 0 if va is not valid
  *
  * This function returns DMA address if the has been mapped to a dmabuf which
  * has been attached to the AI engine partition.

drivers/misc/xilinx-ai-engine/ai-engine-fpga.c

@@ -15,9 +15,8 @@ static int aie_fpga_bridge_enable_set(struct fpga_bridge *bridge, bool enable)
 	/*
 	 * TBD:
 	 * "Enable" should enable the SHIM tile configuration.
-	 * "Disable" should should disable SHIM DMAs, and wait
-	 * until SHIM DMA stops, and disable SHIM
-	 * to PL streams within partition.
+	 * "Disable" should disable SHIM DMAs, and wait until SHIM DMA stops,
+	 * and disable SHIM to PL streams within partition.
 	 */
 	ret = mutex_lock_interruptible(&apart->mlock);
 	if (ret)

drivers/misc/xilinx-ai-engine/ai-engine-internal.h

@@ -493,7 +493,7 @@ static inline u32 aie_cal_regoff(struct aie_device *adev,
  *			     partition
  * @apart: AI engine partition
  * @loc: AI engine tile location
- * @return: return 0 if it it is valid, negative value for errors.
+ * @return: return 0 if it is valid, negative value for errors.
  *
  * This function checks if the AI engine location is within the AI engine
  * partition.