ASoC: Don't fail if we can't read the IRQ type in WM8903

If we fail to read the IRQ type from the interrupt controller don't
fail, just assume a value and solider on - we may fail later when we try
to request the IRQ but it's possible we'll succeed.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
1 file changed