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/mach-u8500/cache.c b/arch/arm/mach-u8500/cache.c
index f9fd4fe..05a9134 100644
--- a/arch/arm/mach-u8500/cache.c
+++ b/arch/arm/mach-u8500/cache.c
@@ -22,7 +22,7 @@
 #ifdef CONFIG_SYS_L2_PL310
 void v7_outer_cache_disable(void)
 {
-	struct pl310_regs *const pl310 = (struct pl310_regs *)CONFIG_SYS_PL310_BASE;
+	struct pl310_regs *const pl310 = (struct pl310_regs *)CFG_SYS_PL310_BASE;
 
 	/*
 	 * Linux expects the L2 cache to be turned off by the bootloader.