soc: soundwire: Fix soundwire bus clock frequency

Soundwire bus clock frequency should not exceed MCLK. Fix
the soundwire bus clock frequency to MCLK during clock scaling
for proper SSP calculation.

Change-Id: I347c8ee0f63f34428160a3408eaa0e999142bc78
Signed-off-by: Sudheer Papothi <[email protected]>

soc/swr-mstr-ctrl.c

@@ -1104,6 +1104,8 @@ int swrm_get_clk_div_rate(int mclk_freq, int bus_clk_freq)
 			bus_clk_freq = SWR_CLK_RATE_4P8MHZ;
 		else if(bus_clk_freq <= SWR_CLK_RATE_9P6MHZ)
 			bus_clk_freq = SWR_CLK_RATE_9P6MHZ;
+		else
+			bus_clk_freq = SWR_CLK_RATE_9P6MHZ;
 	} else if (mclk_freq == SWR_CLK_RATE_11P2896MHZ)
 		bus_clk_freq = SWR_CLK_RATE_11P2896MHZ;