i2c: mxc: move to new subsystem

Signed-off-by: Philippe Reynes <tremyfr@yahoo.fr>
diff --git a/arch/arm/cpu/armv7/mx5/clock.c b/arch/arm/cpu/armv7/mx5/clock.c
index 6bef254..fb3b128 100644
--- a/arch/arm/cpu/armv7/mx5/clock.c
+++ b/arch/arm/cpu/armv7/mx5/clock.c
@@ -94,7 +94,7 @@
 			MXC_CCM_CCGR2_USBOH3_60M(cg));
 }
 
-#ifdef CONFIG_I2C_MXC
+#ifdef CONFIG_SYS_I2C_MXC
 /* i2c_num can be from 0, to 1 for i.MX51 and 2 for i.MX53 */
 int enable_i2c_clk(unsigned char enable, unsigned i2c_num)
 {
diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c
index df11678..cf3a38e 100644
--- a/arch/arm/cpu/armv7/mx6/clock.c
+++ b/arch/arm/cpu/armv7/mx6/clock.c
@@ -48,7 +48,7 @@
 
 }
 
-#ifdef CONFIG_I2C_MXC
+#ifdef CONFIG_SYS_I2C_MXC
 /* i2c_num can be from 0 - 2 */
 int enable_i2c_clk(unsigned char enable, unsigned i2c_num)
 {
diff --git a/arch/arm/imx-common/Makefile b/arch/arm/imx-common/Makefile
index 727a052..6c78dd9 100644
--- a/arch/arm/imx-common/Makefile
+++ b/arch/arm/imx-common/Makefile
@@ -16,7 +16,7 @@
 endif
 ifeq ($(SOC),$(filter $(SOC),mx5 mx6))
 COBJS-y	+= timer.o cpu.o speed.o
-COBJS-$(CONFIG_I2C_MXC) += i2c-mxv7.o
+COBJS-$(CONFIG_SYS_I2C_MXC) += i2c-mxv7.o
 endif
 ifeq ($(SOC),$(filter $(SOC),mx6 mxs))
 COBJS-y	+= misc.o