ntb: ntb_pingpong: remove redundant initialization of variables msg_data and spad_data

The variables msg_data and spad_data are being initialized with values
that are never read, they are being updated later on. The initializations
are redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <[e-mail]>
Acked-by: Serge Semin <[e-mail]>
Signed-off-by: Jon Mason <[e-mail]>

drivers/ntb/test/ntb_pingpong.c

···
 
 static void pp_pong(struct pp_ctx *pp)
 {
-	u32 msg_data = -1, spad_data = -1;
+	u32 msg_data, spad_data;
 	int pidx = 0;
 
 	/* Read pong data */