mfd: pm8901: Use msm-ssbi interface instead of i2c-ssbi

Use the ssbi bus framework directly rather than i2c
based ssbi framework.

Change-Id: I92c59dac7931f57642925319bca2839b510ffb47
Signed-off-by: Anirudh Ghayal <aghayal@codeaurora.org>
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index c27fea6..b1d808b 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -164,9 +164,9 @@
 
 config PMIC8901
 	tristate "PMIC8901 Power Management chip"
-	depends on I2C_SSBI && ARCH_MSM8X60
-	default y if I2C_SSBI && ARCH_MSM8X60
+	depends on MSM_SSBI
 	select MFD_CORE
+	select MFD_PM8XXX
 	help
 	  Say yes here for Qualcomm PM8901 chip.