mfd: Use pmic regmap to read max77686 pmic interrupt register
mfd: Use pmic regmap to read max77686 pmic interrupt register

PMIC's regmap should be used to read pmic interrupt registers.

Signed-off-by: Yadwinder Singh Brar <b054bfd67227ed7a5c3264a57dbc3c4c922c021d@samsung.com>
Signed-off-by: Samuel Ortiz <0ba86cb3f08bbb861958e54bd3438887adb4263c@linux.intel.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas