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-mvebu/cpu.c b/arch/arm/mach-mvebu/cpu.c
index 1f8cdf8..67ad5e5 100644
--- a/arch/arm/mach-mvebu/cpu.c
+++ b/arch/arm/mach-mvebu/cpu.c
@@ -659,7 +659,7 @@
 void v7_outer_cache_enable(void)
 {
 	struct pl310_regs *const pl310 =
-		(struct pl310_regs *)CONFIG_SYS_PL310_BASE;
+		(struct pl310_regs *)CFG_SYS_PL310_BASE;
 
 	/* The L2 cache is already disabled at this point */
 
@@ -691,7 +691,7 @@
 void v7_outer_cache_disable(void)
 {
 	struct pl310_regs *const pl310 =
-		(struct pl310_regs *)CONFIG_SYS_PL310_BASE;
+		(struct pl310_regs *)CFG_SYS_PL310_BASE;
 
 	clrbits_le32(&pl310->pl310_ctrl, L2X0_CTRL_EN);
 }