x86: apl: Use the clock driver

Enable the Intel clock driver and modify coral's device tree to use it.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/x86/cpu/apollolake/Kconfig b/arch/x86/cpu/apollolake/Kconfig
index 145b8cb..8a74815 100644
--- a/arch/x86/cpu/apollolake/Kconfig
+++ b/arch/x86/cpu/apollolake/Kconfig
@@ -41,6 +41,9 @@
 	imply SMP
 	imply HAVE_ITSS
 	imply HAVE_P2SB
+	imply CLK
+	imply CMD_CLK
+	imply CLK_INTEL
 
 if INTEL_APOLLOLAKE