ASoC: amd: acp: Remove redundant acp70 chip->name

As acp71 platform driver uses acp70 platform driver, remove the
redundant chip->name.

Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@amd.com>
Link: https://patch.msgid.link/20250310183201.11979-2-venkataprasad.potturu@amd.com


Signed-off-by: Mark Brown <broonie@kernel.org>