ASoC: amd: acp: Fix acp_common_hw_ops declaration error

ASoC: amd: acp: Fix acp_common_hw_ops declaration error

Fix acp_common_hw_ops declaration error by adding static and
remove export symbol.
sparse: symbol 'acp_common_hw_ops' was not declared. Should it be static?

Fixes: 8ae746fe5104 ("ASoC: amd: acp: Implement acp_common_hw_ops support for acp platforms")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202503141442.iT0LHEMx-lkp@intel.com/
Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@amd.com>
Link: https://patch.msgid.link/20250317072413.88971-3-venkataprasad.potturu@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>