i2c: Added Kconfig support for CONFIG_SYS_I2C_ZYNQ_SPEED

This patch added Kconfig support for CONFIG_SYS_I2C_ZYNQ_SPEED
and set it to default value 100000.

Signed-off-by: Vipul Kumar <vipulk@xilinx.com>
Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

drivers/i2c/Kconfig

@@ -281,6 +281,13 @@ config SYS_I2C_ZYNQ_SLAVE
 	help
 	  Set CONFIG_SYS_I2C_ZYNQ_SLAVE for slave addr.
 
+config SYS_I2C_ZYNQ_SPEED
+	int "Set I2C speed"
+	depends on SYS_I2C_ZYNQ
+	default 100000
+	help
+	  Set CONFIG_SYS_I2C_ZYNQ_SPEED for speed setting.
+
 config SYS_I2C_IHS
         bool "gdsys IHS I2C driver"
         depends on DM_I2C

include/configs/xilinx_zynqmp.h

@@ -126,7 +126,6 @@
 /* I2C */
 #if defined(CONFIG_SYS_I2C_ZYNQ)
 # define CONFIG_SYS_I2C
-# define CONFIG_SYS_I2C_ZYNQ_SPEED		100000
 #endif
 
 /* EEPROM */

include/configs/zynq-common.h

@@ -120,7 +120,6 @@
 /* I2C */
 #if defined(CONFIG_SYS_I2C_ZYNQ)
 # define CONFIG_SYS_I2C
-# define CONFIG_SYS_I2C_ZYNQ_SPEED		100000
 #endif
 
 /* EEPROM */