ASoC: twl4030: make read-only array ramp_base static const

Don't populate the read-only array ramp_base on the stack but
instead make it static const. Also makes the object code a
little smaller.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20221018152928.942186-1-colin.i.king@gmail.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/twl4030.c

@@ -700,8 +700,10 @@ static void headset_ramp(struct snd_soc_component *component, int ramp)
 	struct twl4030_priv *twl4030 = snd_soc_component_get_drvdata(component);
 	struct twl4030_board_params *board_params = twl4030->board_params;
 	/* Base values for ramp delay calculation: 2^19 - 2^26 */
-	unsigned int ramp_base[] = {524288, 1048576, 2097152, 4194304,
-				    8388608, 16777216, 33554432, 67108864};
+	static const unsigned int ramp_base[] = {
+		524288, 1048576, 2097152, 4194304,
+		8388608, 16777216, 33554432, 67108864
+	};
 	unsigned int delay;
 
 	hs_gain = twl4030_read(component, TWL4030_REG_HS_GAIN_SET);