misc: scu: Increase the timeout for MU communication

When power on some sources in Video system, current timeout 10ms is
too short and returns before SCU response. So increase the timeout
to 1s.

Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>

drivers/misc/imx8/scu.c

@@ -74,7 +74,7 @@ static int mu_hal_receivemsg(struct mu_type *base, u32 reg_index, u32 *msg)
 	assert(reg_index < MU_TR_COUNT);
 
 	/* Wait RX register to be full. */
-	ret = readl_poll_timeout(&base->sr, val, val & mask, 10000);
+	ret = readl_poll_timeout(&base->sr, val, val & mask, 1000000);
 	if (ret < 0) {
 		printf("%s timeout\n", __func__);
 		return -ETIMEDOUT;