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/freescale/ls1046afrwy/ls1046afrwy.c b/board/freescale/ls1046afrwy/ls1046afrwy.c
index 5a298cd..f6e5c12 100644
--- a/board/freescale/ls1046afrwy/ls1046afrwy.c
+++ b/board/freescale/ls1046afrwy/ls1046afrwy.c
@@ -146,7 +146,7 @@
 void config_board_mux(void)
 {
 #ifdef CONFIG_HAS_FSL_XHCI_USB
-	struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
+	struct ccsr_scfg *scfg = (struct ccsr_scfg *)CFG_SYS_FSL_SCFG_ADDR;
 	u32 usb_pwrfault;
 	/*
 	 * USB2 is used, configure mux to USB2_DRVVBUS/USB2_PWRFAULT