mfd: Add WM8352 support

The WM8352 is a variant of the WM8350. Aside from the register defaults
there are no software visible differences to the WM8350.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index ddfb12b..76a482d 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -143,6 +143,22 @@
 	bool
 	depends on MFD_WM8350
 
+config MFD_WM8352_CONFIG_MODE_0
+	bool
+	depends on MFD_WM8350
+
+config MFD_WM8352_CONFIG_MODE_1
+	bool
+	depends on MFD_WM8350
+
+config MFD_WM8352_CONFIG_MODE_2
+	bool
+	depends on MFD_WM8350
+
+config MFD_WM8352_CONFIG_MODE_3
+	bool
+	depends on MFD_WM8350
+
 config MFD_WM8350_I2C
 	tristate "Support Wolfson Microelectronics WM8350 with I2C"
 	select MFD_WM8350