soc: swr-mstr: Add out-of-bound check

Update out-of-bound check in parse swr port mapping.

Change-Id: I3735ff68c293fdb96dd7b004438faa999195adb2
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>

soc/swr-mstr-ctrl.h

@@ -171,7 +171,7 @@ struct swr_mstr_ctrl {
 	struct work_struct dc_presence_work;
 	u8 num_ports;
 	struct swrm_port_type
-			port_mapping[SWR_MSTR_PORT_LEN][SWR_MAX_CH_PER_PORT];
+			port_mapping[SWR_MSTR_PORT_LEN + 1][SWR_MAX_CH_PER_PORT];
 	int swr_irq;
 	u32 clk_stop_mode0_supp;
 	struct work_struct wakeup_work;