openrisc: Add architecture image support

Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
diff --git a/common/image.c b/common/image.c
index 77ca6e4..202c8a1 100644
--- a/common/image.c
+++ b/common/image.c
@@ -94,6 +94,7 @@
 	{	IH_ARCH_BLACKFIN,	"blackfin",	"Blackfin",	},
 	{	IH_ARCH_AVR32,		"avr32",	"AVR32",	},
 	{	IH_ARCH_NDS32,		"nds32",	"NDS32",	},
+	{	IH_ARCH_OPENRISC,	"or1k",		"OpenRISC 1000",},
 	{	-1,			"",		"",		},
 };