Device tuning files made with early revision tooling may contain
configuration that can unmask IRQ signals that are owned by the host.

Adding a safe default to the regmap patch ensures that the hardware
matches the driver expectations.
Signed-off-by: Simon Trimmer <simont@opensource.cirrus.com>
Link: https://patch.msgid.link/20240807142648.46932-1-simont@opensource.cirrus.comSigned-off-by: Mark Brown <broonie@kernel.org>