HID: bigbenff: constify fixed up report descriptor

Now that the HID core can handle const report descriptors,
constify them where possible.

Signed-off-by: Thomas Weißschuh <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Benjamin Tissoires <[e-mail]>

drivers/hid/hid-bigbenff.c

···
  * - map previously unused analog trigger data to Z/RZ
  * - simplify feature and output descriptor
  */
-static __u8 pid0902_rdesc_fixed[] = {
+static const __u8 pid0902_rdesc_fixed[] = {
 	0x05, 0x01,        /* Usage Page (Generic Desktop Ctrls) */
 	0x09, 0x05,        /* Usage (Game Pad) */
 	0xA1, 0x01,        /* Collection (Application) */
···
 	unsigned int *rsize)
 {
 	if (*rsize == PID0902_RDESC_ORIG_SIZE) {
-		rdesc = pid0902_rdesc_fixed;
 		*rsize = sizeof(pid0902_rdesc_fixed);
+		return pid0902_rdesc_fixed;
 	} else
 		hid_warn(hid, "unexpected rdesc, please submit for review\n");
 	return rdesc;