i2c: i2c-ocores: Use reg-shift property

Deprecate 'regstep' property and use the standard 'reg-shift' property
for register offset shifts. 'regstep' will still be supported as an
optional property, but will give a warning when used.

Signed-off-by: Ganesan Ramalingam <ganesanr@broadcom.com>
Signed-off-by: Jayachandran C <jayachandranc@netlogicmicro.com>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
diff --git a/include/linux/i2c-ocores.h b/include/linux/i2c-ocores.h
index 4d5e57f..5d95df2 100644
--- a/include/linux/i2c-ocores.h
+++ b/include/linux/i2c-ocores.h
@@ -12,7 +12,7 @@
 #define _LINUX_I2C_OCORES_H
 
 struct ocores_i2c_platform_data {
-	u32 regstep;   /* distance between registers */
+	u32 reg_shift; /* register offset shift value */
 	u32 clock_khz; /* input clock in kHz */
 	u8 num_devices; /* number of devices in the devices list */
 	struct i2c_board_info const *devices; /* devices connected to the bus */