ASoC: wm_adsp: Make wm_adsp_fw_text[] const

Add the extra const to wm_adsp_fw_text[] to make the array data
const.

This array should have been const data but was missing the second
const that is needed when declaring a const array of const pointers.

Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://patch.msgid.link/20260309145310.1199583-1-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: rfvirgil

sound/soc/codecs/wm_adsp.c

@@ -72,7 +72,7 @@ static const struct cs_dsp_client_ops wm_adsp2_client_ops;
 
 #define WM_ADSP_NUM_FW      13
 
-static const char *wm_adsp_fw_text[WM_ADSP_NUM_FW] = {
+static const char * const wm_adsp_fw_text[WM_ADSP_NUM_FW] = {
 	[WM_ADSP_FW_MBC_VSS] =  "MBC/VSS",
 	[WM_ADSP_FW_HIFI] =     "MasterHiFi",
 	[WM_ADSP_FW_TX] =       "Tx",