dmaengine: dw-axi-dmac: cleanup comments

For spdx, /* */ for *.h, remove extra space

Replacements
configurarion to configuration
inerrupts to interrupts
chanels to channels

Signed-off-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20220309020056.1026106-1-trix@redhat.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

Author: Tom Rix

drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c

@@ -1,4 +1,4 @@
-// SPDX-License-Identifier:  GPL-2.0
+// SPDX-License-Identifier: GPL-2.0
 // (C) 2017-2018 Synopsys, Inc. (www.synopsys.com)
 
 /*
@@ -35,7 +35,7 @@
 /*
  * The set of bus widths supported by the DMA controller. DW AXI DMAC supports
  * master data bus width up to 512 bits (for both AXI master interfaces), but
- * it depends on IP block configurarion.
+ * it depends on IP block configuration.
  */
 #define AXI_DMA_BUSWIDTHS		  \
 	(DMA_SLAVE_BUSWIDTH_1_BYTE	| \
@@ -1089,10 +1089,10 @@ static irqreturn_t dw_axi_dma_interrupt(int irq, void *dev_id)
 
 	u32 status, i;
 
-	/* Disable DMAC inerrupts. We'll enable them after processing chanels */
+	/* Disable DMAC interrupts. We'll enable them after processing channels */
 	axi_dma_irq_disable(chip);
 
-	/* Poll, clear and process every chanel interrupt status */
+	/* Poll, clear and process every channel interrupt status */
 	for (i = 0; i < dw->hdata->nr_channels; i++) {
 		chan = &dw->chan[i];
 		status = axi_chan_irq_read(chan);

drivers/dma/dw-axi-dmac/dw-axi-dmac.h

@@ -1,4 +1,4 @@
-// SPDX-License-Identifier:  GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
 // (C) 2017-2018 Synopsys, Inc. (www.synopsys.com)
 
 /*