dmaengine: qcom: fix typo in comment

Spelling mistake (triple letters) in comment.
Detected with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>

Link: https://lore.kernel.org/r/20220521111145.81697-62-Julia.Lawall@inria.frSigned-off-by: Vinod Koul <vkoul@kernel.org>

include/linux/dma/qcom-gpi-dma.h

@@ -26,7 +26,7 @@ enum spi_transfer_cmd {
  * @clk_div: source clock divider
  * @clk_src: serial clock
  * @cmd: spi cmd
- * @fragmentation: keep CS assserted at end of sequence
+ * @fragmentation: keep CS asserted at end of sequence
  * @cs: chip select toggle
  * @set_config: set peripheral config
  * @rx_len: receive length for buffer