ASoC: amd: acp: Fix acp_resource duplicate symbol error

ASoC: amd: acp: Fix acp_resource duplicate symbol error

Fix acp_resource structure duplicate defination error by adding
export symbol and extern keyword in header file.

ld.lld: error: duplicate symbol: acp63_rsrc
ld.lld: error: duplicate symbol: acp70_rsrc

Fixes: f8b4f3f525e8 ("ASoC: amd: acp: Refactor acp70 platform resource structure")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202503160801.yExt0K2E-lkp@intel.com/
Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@amd.com>
Link: https://patch.msgid.link/20250317072413.88971-2-venkataprasad.potturu@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>