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/brppt2.h b/include/configs/brppt2.h
index 78b2000..d35c7c4 100644
--- a/include/configs/brppt2.h
+++ b/include/configs/brppt2.h
@@ -13,7 +13,7 @@
 
 /* -- i.mx6 specifica -- */
 #ifndef CONFIG_SYS_L2CACHE_OFF
-#define CONFIG_SYS_PL310_BASE		L2_PL310_BASE
+#define CFG_SYS_PL310_BASE		L2_PL310_BASE
 #endif /* !CONFIG_SYS_L2CACHE_OFF */
 
 #define CONFIG_MXC_GPT_HCLK
@@ -77,8 +77,8 @@
 /* RAM */
 #define PHYS_SDRAM_1			MMDC0_ARB_BASE_ADDR
 #define CFG_SYS_SDRAM_BASE		PHYS_SDRAM_1
-#define CONFIG_SYS_INIT_RAM_ADDR	IRAM_BASE_ADDR
-#define CONFIG_SYS_INIT_RAM_SIZE	IRAM_SIZE
+#define CFG_SYS_INIT_RAM_ADDR	IRAM_BASE_ADDR
+#define CFG_SYS_INIT_RAM_SIZE	IRAM_SIZE
 
 /* Ethernet */
 #define CONFIG_FEC_FIXED_SPEED		_1000BASET