ASoC: aw88399: Correct error handling in aw_dev_get_dsp_status function

Added proper error handling for register value check that
return -EPERM when register value does not meet expected condition

Signed-off-by: Zhu Jun <zhujun2@cmss.chinamobile.com>
Link: https://patch.msgid.link/20241008025923.10606-1-zhujun2@cmss.chinamobile.com


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