Correct SPL uses of SANDBOX_CLK_CCF

This converts 12 usages of this option to the non-SPL form, since there is
no SPL_SANDBOX_CLK_CCF defined in Kconfig

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/clk/clk-divider.c b/drivers/clk/clk-divider.c
index 7e8e62f..6ab137a 100644
--- a/drivers/clk/clk-divider.c
+++ b/drivers/clk/clk-divider.c
@@ -81,7 +81,7 @@
 	unsigned long parent_rate = clk_get_parent_rate(clk);
 	unsigned int val;
 
-#if CONFIG_IS_ENABLED(SANDBOX_CLK_CCF)
+#if IS_ENABLED(CONFIG_SANDBOX_CLK_CCF)
 	val = divider->io_divider_val;
 #else
 	val = readl(divider->reg);
@@ -210,7 +210,7 @@
 	div->width = width;
 	div->flags = clk_divider_flags;
 	div->table = table;
-#if CONFIG_IS_ENABLED(SANDBOX_CLK_CCF)
+#if IS_ENABLED(CONFIG_SANDBOX_CLK_CCF)
 	div->io_divider_val = *(u32 *)reg;
 #endif