ASoC: amd: fix acpi dependency kernel warning

ASoC: amd: fix acpi dependency kernel warning

Fix ACPI dependency kernel warning produced by powerpc
allyesconfig.

sound/soc/amd/acp-da7219-max98357a.c:684:28: warning:
'cz_rt5682_card' defined but not used [-Wunused-variable]

sound/soc/amd/acp-da7219-max98357a.c:671:28: warning: 'cz_card'
defined but not used [-Wunused-variable]

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/1616777074-5151-2-git-send-email-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>