global: Move remaining CONFIG_SYS_* to CFG_SYS_*

The rest of the unmigrated CONFIG symbols in the CONFIG_SYS namespace do
not easily transition to Kconfig. In many cases they likely should come
from the device tree instead. Move these out of CONFIG namespace and in
to CFG namespace.

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/include/configs/imx8mp_evk.h b/include/configs/imx8mp_evk.h
index d394762..738677f 100644
--- a/include/configs/imx8mp_evk.h
+++ b/include/configs/imx8mp_evk.h
@@ -10,7 +10,7 @@
 #include <linux/stringify.h>
 #include <asm/arch/imx-regs.h>
 
-#define CONFIG_SYS_UBOOT_BASE	(QSPI0_AMBA_BASE + CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR * 512)
+#define CFG_SYS_UBOOT_BASE	(QSPI0_AMBA_BASE + CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR * 512)
 
 #ifdef CONFIG_SPL_BUILD
 /*#define CONFIG_ENABLE_DDR_TRAINING_DEBUG*/
@@ -50,8 +50,8 @@
 
 /* Link Definitions */
 
-#define CONFIG_SYS_INIT_RAM_ADDR	0x40000000
-#define CONFIG_SYS_INIT_RAM_SIZE	0x80000
+#define CFG_SYS_INIT_RAM_ADDR	0x40000000
+#define CFG_SYS_INIT_RAM_SIZE	0x80000
 
 
 /* Totally 2GB DDR */