brcmfmac: Fix incorrect type assignments for keep-alive

cpu_to_le16 has been used for all keep-alive fields, but 'perdio_msec'
is a 32-bit field and 'keep_alive_id' a 8-bit one. Fix that.

Fixes: 7a6cfe28 ("brcmfmac: Configure keep-alive packet on suspend")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/1638953708-29192-1-git-send-email-loic.poulain@linaro.org

drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c

@@ -3908,9 +3908,9 @@ static int brcmf_keepalive_start(struct brcmf_if *ifp, unsigned int interval)
 
 	/* Configure Null function/data keepalive */
 	kalive.version = cpu_to_le16(1);
-	kalive.period_msec = cpu_to_le16(interval * MSEC_PER_SEC);
+	kalive.period_msec = cpu_to_le32(interval * MSEC_PER_SEC);
 	kalive.len_bytes = cpu_to_le16(0);
-	kalive.keep_alive_id = cpu_to_le16(0);
+	kalive.keep_alive_id = 0;
 
 	ret = brcmf_fil_iovar_data_set(ifp, "mkeep_alive", &kalive, sizeof(kalive));
 	if (ret)