global: Migrate CONFIG_SYS_FSL* symbols to the CFG_SYS namespace

Migrate all of COFIG_SYS_FSL* to the CFG_SYS namespace.

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/board/socrates/sdram.c b/board/socrates/sdram.c
index d358a20..04527cf 100644
--- a/board/socrates/sdram.c
+++ b/board/socrates/sdram.c
@@ -26,7 +26,7 @@
 phys_size_t fixed_sdram(void)
 {
 	struct ccsr_ddr __iomem *ddr =
-		(struct ccsr_ddr __iomem *)(CONFIG_SYS_FSL_DDR_ADDR);
+		(struct ccsr_ddr __iomem *)(CFG_SYS_FSL_DDR_ADDR);
 
 	/*
 	 * Disable memory controller.