UPSTREAM: usb: gadget: make snd_pcm_hardware const

Make this const as it is only used during a copy operation.
Done using Coccinelle.

Change-Id: I6d5f8855f5a87d2fa36d06f11c1c1788a48c2b3c
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: William Wu <william.wu@rock-chips.com>
(cherry picked from commit 2ab3c34)

Author: goyalbhumika

drivers/usb/gadget/function/u_audio.c

@@ -79,7 +79,7 @@ struct snd_uac_chip {
 	unsigned int p_framesize;
 };
 
-static struct snd_pcm_hardware uac_pcm_hardware = {
+static const struct snd_pcm_hardware uac_pcm_hardware = {
 	.info = SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER
 		 | SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID
 		 | SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME,