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/arch/arm/mach-imx/mx7ulp/clock.c b/arch/arm/mach-imx/mx7ulp/clock.c
index 6191153..37d8565 100644
--- a/arch/arm/mach-imx/mx7ulp/clock.c
+++ b/arch/arm/mach-imx/mx7ulp/clock.c
@@ -18,9 +18,9 @@
 int get_clocks(void)
 {
 #ifdef CONFIG_FSL_ESDHC_IMX
-#if CONFIG_SYS_FSL_ESDHC_ADDR == USDHC0_RBASE
+#if CFG_SYS_FSL_ESDHC_ADDR == USDHC0_RBASE
 	gd->arch.sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
-#elif CONFIG_SYS_FSL_ESDHC_ADDR == USDHC1_RBASE
+#elif CFG_SYS_FSL_ESDHC_ADDR == USDHC1_RBASE
 	gd->arch.sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
 #endif
 #endif