power: bq27xxx_battery: move irq handler to i2c section
power: bq27xxx_battery: move irq handler to i2c section

The IRQ handler is not used by the platform based
code resulting in a 'defined but not used' warning,
if CONFIG_BQ27XXX_I2C is not enabled.

Signed-off-by: Sebastian Reichel <1ea78bda3cb6d36efdb8fc89aad6555e21b4887e@kernel.org>
Acked-by: Pali Rohár <271b10744f2b592adf8fde144d536c86b011b93c@gmail.com>
Acked-by: Andrew F. Davis <a6dfde0ec5c5124d26ab0cb4f9ab9a758dee1d6f@ti.com>

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