ASoC: rt5645: fix implicit declaration error
ASoC: rt5645: fix implicit declaration error

kbuild robot reports a implicit declaration of function
'rt5645_irq_detection' error.

Signed-off-by: Bard Liao <44f95c252e5bdc8ed4413e18dbc09adedb90bea7@realtek.com>
Signed-off-by: Mark Brown <b51b9a92386687a9ac927cebfa0f978adeb8cea5@kernel.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs