global: Move remaining CONFIG_SYS_SDRAM_* to CFG_SYS_SDRAM_*

The rest of the unmigrated CONFIG symbols in the CONFIG_SYS_SDRAM
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/socfpga_common.h b/include/configs/socfpga_common.h
index 70a24ed..2656c97 100644
--- a/include/configs/socfpga_common.h
+++ b/include/configs/socfpga_common.h
@@ -38,7 +38,7 @@
  * in U-Boot pre-reloc is higher than in SPL.
  */
 
-#define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
+#define CFG_SYS_SDRAM_BASE		PHYS_SDRAM_1
 
 /*
  * U-Boot general configurations