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/include/configs/vinco.h b/include/configs/vinco.h
index df0e269..9f72bdd 100644
--- a/include/configs/vinco.h
+++ b/include/configs/vinco.h
@@ -21,7 +21,7 @@
 #define CONFIG_USART_ID			30
 
 /* Timer */
-#define CONFIG_SYS_TIMER_COUNTER	0xfc06863c
+#define CFG_SYS_TIMER_COUNTER	0xfc06863c
 
 /* SDRAM */
 #define CFG_SYS_SDRAM_BASE           0x20000000
@@ -31,7 +31,7 @@
 
 #ifdef CONFIG_CMD_MMC
 #define ATMEL_BASE_MMCI			0xfc000000
-#define CONFIG_SYS_MMC_CLK_OD		500000
+#define CFG_SYS_MMC_CLK_OD		500000
 
 /* For generating MMC partitions */