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/drivers/net/fm/fm.c b/drivers/net/fm/fm.c
index ee96abb..9b6dbe2 100644
--- a/drivers/net/fm/fm.c
+++ b/drivers/net/fm/fm.c
@@ -403,7 +403,7 @@
 		} else {
 			ret = spi_flash_read(ucode_flash,
 					     CONFIG_SYS_FMAN_FW_ADDR +
-					     CONFIG_SYS_FSL_QSPI_BASE,
+					     CFG_SYS_FSL_QSPI_BASE,
 					     CONFIG_SYS_QE_FMAN_FW_LENGTH,
 					     addr);
 			if (ret)