TPS65910 mfd driver uses functions that are only avaiable when
REGMAP_IRQ is enabled. So "select REGMAP_IRQ" is added to mfd
Kconfig to fix below build error:

drivers/built-in.o: In function `tps65910_irq_exit':
/media/anil/kernel/drivers/mfd/tps65910.c:265: undefined reference to 
`regmap_del_irq_chip'
drivers/built-in.o: In function `tps65910_irq_init':
/media/anil/kernel/drivers/mfd/tps65910.c:254: undefined reference to 
`regmap_add_irq_chip'
drivers/built-in.o: In function `tps65910_i2c_probe':
/media/anil/kernel/drivers/mfd/tps65910.c:509: undefined reference to 
`regmap_irq_get_domain'
make: *** [vmlinux] Error 1

Signed-off-by: AnilKumar Ch <anilku...@ti.com>
---
 drivers/mfd/Kconfig |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 1c0abd4..01413a2 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -237,6 +237,7 @@ config MFD_TPS65910
        depends on I2C=y && GPIOLIB
        select MFD_CORE
        select REGMAP_I2C
+       select REGMAP_IRQ
        select IRQ_DOMAIN
        help
          if you say yes here you get support for the TPS65910 series of
-- 
1.7.9.5

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