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/include/configs/imx93_evk.h b/include/configs/imx93_evk.h
index a9749a1..b281466 100644
--- a/include/configs/imx93_evk.h
+++ b/include/configs/imx93_evk.h
@@ -131,7 +131,7 @@
 #define PHYS_SDRAM                      0x80000000
 #define PHYS_SDRAM_SIZE			0x80000000 /* 2GB DDR */
 
-#define CONFIG_SYS_FSL_USDHC_NUM	2
+#define CFG_SYS_FSL_USDHC_NUM	2
 
 /* Using ULP WDOG for reset */
 #define WDOG_BASE_ADDR          WDG3_BASE_ADDR