ASoC: Intel: avs: Fix memory leak in avs_register_i2s_test_boards()

ASoC: Intel: avs: Fix memory leak in avs_register_i2s_test_boards()

[ Upstream commit c5408d818316061d6063c11a4f47f1ba25a3a708 ]

Caller is responsible for freeing array allocated with
parse_int_array().

Found out by Coverity.

Fixes: 7d859189de13 ("ASoC: Intel: avs: Allow to specify custom configurations with i2s_test")
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://patch.msgid.link/20260407085459.400628-1-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>