ACPI / bus: Introduce acpi_of_modalias() equiv of of_modalias_node()
When using devicetree stuff like i2c_client.name or spi_device.modalias is initialized to the first DT compatible id with the vendor prefix stripped. Since some drivers rely on this try to replicate it when using ACPI with DT ids. Signed-off-by: NDan O'Donovan <dan@emutex.com> Reviewed-by: NMika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by: NAndy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: NJarkko Nikula <jarkko.nikula@linux.intel.com> Tested-by: NJarkko Nikula <jarkko.nikula@linux.intel.com> Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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