fdtdec: Add compatible string for Intel IvyBridge FSP

Use "intel,ivybridge-fsp" for Intel IvyBridge FSP compatible string.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
diff --git a/lib/fdtdec.c b/lib/fdtdec.c
index ae0b708..1b5bf13 100644
--- a/lib/fdtdec.c
+++ b/lib/fdtdec.c
@@ -74,6 +74,7 @@
 	COMPAT(ALTERA_SOCFPGA_DWC2USB, "snps,dwc2"),
 	COMPAT(COMPAT_INTEL_BAYTRAIL_FSP, "intel,baytrail-fsp"),
 	COMPAT(COMPAT_INTEL_BAYTRAIL_FSP_MDP, "intel,baytrail-fsp-mdp"),
+	COMPAT(COMPAT_INTEL_IVYBRIDGE_FSP, "intel,ivybridge-fsp"),
 };
 
 const char *fdtdec_get_compatible(enum fdt_compat_id id)