global: Migrate CONFIG_I2C_MVTWSI_BASE1 to CFG

Perform a simple rename of CONFIG_I2C_MVTWSI_BASE1 to CFG_I2C_MVTWSI_BASE1

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/i2c/mvtwsi.c b/drivers/i2c/mvtwsi.c
index 076525d..2822749 100644
--- a/drivers/i2c/mvtwsi.c
+++ b/drivers/i2c/mvtwsi.c
@@ -201,9 +201,9 @@
 	case 0:
 		return (struct mvtwsi_registers *)CFG_I2C_MVTWSI_BASE0;
 #endif
-#ifdef CONFIG_I2C_MVTWSI_BASE1
+#ifdef CFG_I2C_MVTWSI_BASE1
 	case 1:
-		return (struct mvtwsi_registers *)CONFIG_I2C_MVTWSI_BASE1;
+		return (struct mvtwsi_registers *)CFG_I2C_MVTWSI_BASE1;
 #endif
 #ifdef CONFIG_I2C_MVTWSI_BASE2
 	case 2:
@@ -743,7 +743,7 @@
 			 twsi_i2c_set_bus_speed,
 			 CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE, 0)
 #endif
-#ifdef CONFIG_I2C_MVTWSI_BASE1
+#ifdef CFG_I2C_MVTWSI_BASE1
 U_BOOT_I2C_ADAP_COMPLETE(twsi1, twsi_i2c_init, twsi_i2c_probe,
 			 twsi_i2c_read, twsi_i2c_write,
 			 twsi_i2c_set_bus_speed,