global: Move remaining CONFIG_SYS_* to CFG_SYS_*

The rest of the unmigrated CONFIG symbols in the CONFIG_SYS namespace do
not easily transition to Kconfig. In many cases they likely should come
from the device tree instead. Move these out of CONFIG namespace and in
to CFG namespace.

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/rtc/rs5c372.c b/drivers/rtc/rs5c372.c
index 97ec001..6b1c23c 100644
--- a/drivers/rtc/rs5c372.c
+++ b/drivers/rtc/rs5c372.c
@@ -39,8 +39,8 @@
 #define rtc_debug 0	/* gcc will remove all the debug code for us */
 #endif
 
-#ifndef CONFIG_SYS_I2C_RTC_ADDR
-#define CONFIG_SYS_I2C_RTC_ADDR 0x32
+#ifndef CFG_SYS_I2C_RTC_ADDR
+#define CFG_SYS_I2C_RTC_ADDR 0x32
 #endif
 
 #define RS5C372_RAM_SIZE 0x10
@@ -63,7 +63,7 @@
 {
 	int ret;
 
-	ret = i2c_read(CONFIG_SYS_I2C_RTC_ADDR, 0, 0, buf, len);
+	ret = i2c_read(CFG_SYS_I2C_RTC_ADDR, 0, 0, buf, len);
 	if (ret != 0) {
 		printf("%s: failed to read\n", __FUNCTION__);
 		return ret;
@@ -103,7 +103,7 @@
 	buf[14] = 0; /* reg. 13 */
 	buf[15] = 0; /* reg. 14 */
 	buf[16] = USE_24HOUR_MODE; /* reg. 15 */
-	ret = i2c_write(CONFIG_SYS_I2C_RTC_ADDR, 0, 0, buf, RS5C372_RAM_SIZE+1);
+	ret = i2c_write(CFG_SYS_I2C_RTC_ADDR, 0, 0, buf, RS5C372_RAM_SIZE+1);
 	if (ret != 0) {
 		printf("%s: failed\n", __FUNCTION__);
 		return;
@@ -204,7 +204,7 @@
 	memset(buf, 0, sizeof(buf));
 
 	/* only read register 15 */
-	ret = i2c_read(CONFIG_SYS_I2C_RTC_ADDR, 0, 0, buf, 1);
+	ret = i2c_read(CFG_SYS_I2C_RTC_ADDR, 0, 0, buf, 1);
 
 	if (ret == 0) {
 		/* need to save register 15 */
@@ -233,7 +233,7 @@
 			printf("WARNING: year should be between 1970 and 2069!\n");
 		buf[7] = bin2bcd(tmp->tm_year % 100);
 
-		ret = i2c_write(CONFIG_SYS_I2C_RTC_ADDR, 0, 0, buf, 8);
+		ret = i2c_write(CFG_SYS_I2C_RTC_ADDR, 0, 0, buf, 8);
 		if (ret != 0) {
 			printf("rs5c372_set_datetime(), i2c_master_send() returned %d\n",ret);
 			return -1;