ASoC: wcd938x: Update soundwire slave clock rate on WCD938x

Update soundwire slave clock rate based on power mode on
WCD938x codec for better power numbers.

Change-Id: I6719d7eab7562bf4fe45b3e11fbae6e0a629f9b1
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>

asoc/codecs/wcd938x/internal.h

@@ -11,6 +11,8 @@
 #include <asoc/wcd-clsh.h>
 #include "wcd938x-mbhc.h"
 
+#define SWR_SCP_CONTROL    0x44
+#define SWR_SCP_HOST_CLK_DIV2_CTL_BANK 0xE0
 #define WCD938X_MAX_MICBIAS 4
 
 /* Convert from vout ctl to micbias voltage in mV */