x86: ivybridge: Add SATA init

Add code to set up the SATA interfaces on boot.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/lib/fdtdec.c b/lib/fdtdec.c
index e8775df..480442f 100644
--- a/lib/fdtdec.c
+++ b/lib/fdtdec.c
@@ -75,6 +75,7 @@
 	COMPAT(COMPAT_INTEL_LPC, "intel,lpc"),
 	COMPAT(INTEL_MICROCODE, "intel,microcode"),
 	COMPAT(MEMORY_SPD, "memory-spd"),
+	COMPAT(INTEL_PANTHERPOINT_AHCI, "intel,pantherpoint-ahci"),
 };
 
 const char *fdtdec_get_compatible(enum fdt_compat_id id)