ALSA: oxygen: use true,false for bool variables

Fix the following coccicheck warning:

sound/pci/oxygen/xonar_pcm179x.c:463:1-17: WARNING: Assignment of 0/1 to
bool variable
sound/pci/oxygen/xonar_pcm179x.c:505:1-17: WARNING: Assignment of 0/1 to
bool variable
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Link: https://lore.kernel.org/r/20200422071646.48436-1-yanaijie@huawei.comSigned-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/oxygen/xonar_pcm179x.c

@@ -460,7 +460,7 @@ static void xonar_st_init(struct oxygen *chip)
 
 	data->generic.anti_pop_delay = 100;
 	data->h6 = chip->model.dac_channels_mixer > 2;
-	data->has_cs2000 = 1;
+	data->has_cs2000 = true;
 	data->cs2000_regs[CS2000_FUN_CFG_1] = CS2000_REF_CLK_DIV_1;
 	data->broken_i2c = true;
 
@@ -502,7 +502,7 @@ static void xonar_xense_init(struct oxygen *chip)
 	xonar_init_ext_power(chip);
 
 	data->generic.anti_pop_delay = 100;
-	data->has_cs2000 = 1;
+	data->has_cs2000 = true;
 	data->cs2000_regs[CS2000_FUN_CFG_1] = CS2000_REF_CLK_DIV_1;
 
 	oxygen_write16(chip, OXYGEN_I2S_A_FORMAT,