ARCv2: Add support for ZeBu Emulation platform for HS cores

The cool thing is that same kernel image can run on
 - nsim OSCI simulation platform
 - SDPlite FPGA setups

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
diff --git a/arch/arc/plat-sim/platform.c b/arch/arc/plat-sim/platform.c
index e4fe514..aea8738 100644
--- a/arch/arc/plat-sim/platform.c
+++ b/arch/arc/plat-sim/platform.c
@@ -24,6 +24,7 @@
 	"snps,nsim_hs",
 	"snps,nsimosci",
 	"snps,nsimosci_hs",
+	"snps,zebu_hs",
 	NULL,
 };