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/common/spl/spl.c b/common/spl/spl.c
index 22d2a06..1d2e8fd 100644
--- a/common/spl/spl.c
+++ b/common/spl/spl.c
@@ -43,8 +43,8 @@
 DECLARE_GLOBAL_DATA_PTR;
 DECLARE_BINMAN_MAGIC_SYM;
 
-#ifndef CONFIG_SYS_UBOOT_START
-#define CONFIG_SYS_UBOOT_START	CONFIG_TEXT_BASE
+#ifndef CFG_SYS_UBOOT_START
+#define CFG_SYS_UBOOT_START	CONFIG_TEXT_BASE
 #endif
 
 u32 *boot_params_ptr = NULL;
@@ -250,7 +250,7 @@
 		spl_image->entry_point = u_boot_pos;
 		spl_image->load_addr = u_boot_pos;
 	} else {
-		spl_image->entry_point = CONFIG_SYS_UBOOT_START;
+		spl_image->entry_point = CFG_SYS_UBOOT_START;
 		spl_image->load_addr = CONFIG_TEXT_BASE;
 	}
 	spl_image->os = IH_OS_U_BOOT;