brcmfmac: remove unnecessary strlcpy() upon obtaining "ver" iovar

Recently a strcpy() was replaced by strlcpy(). However, the strcpy()
was not needed in the first place. So removing that line of code.
Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
Reviewed-by: Franky Lin <franky.lin@broadcom.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c

@@ -258,7 +258,6 @@ int brcmf_c_preinit_dcmds(struct brcmf_if *ifp)
 
 	/* query for 'ver' to get version info from firmware */
 	memset(buf, 0, sizeof(buf));
-	strlcpy(buf, "ver", sizeof(buf));
 	err = brcmf_fil_iovar_data_get(ifp, "ver", buf, sizeof(buf));
 	if (err < 0) {
 		bphy_err(drvr, "Retrieving version information failed, %d\n",