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/arch/arm/lib/vectors.S b/arch/arm/lib/vectors.S
index a54c84b..7cf7d16 100644
--- a/arch/arm/lib/vectors.S
+++ b/arch/arm/lib/vectors.S
@@ -83,8 +83,8 @@
  */
 
 _start:
-#ifdef CONFIG_SYS_DV_NOR_BOOT_CFG
-	.word	CONFIG_SYS_DV_NOR_BOOT_CFG
+#ifdef CFG_SYS_DV_NOR_BOOT_CFG
+	.word	CFG_SYS_DV_NOR_BOOT_CFG
 #endif
 	ARM_VECTORS
 #endif /* !defined(CONFIG_ENABLE_ARM_SOC_BOOT0_HOOK) */