Add the device type/parameters support for cbootimage tool.

set.h

Index: set.h
diff --git a/set.h b/set.h
index 44443f8714c66cbc1dfb6dd38a30a25d6a751763..5706847c90d213b33d19378506e8d809b59d1523 100644
--- a/set.h
+++ b/set.h
@@ -71,6 +71,18 @@ set_other_field(build_image_context *context,
 		int	index);
 
 int
+set_sdmmc_param(build_image_context *context,
+		u_int32_t index,
+		parse_token token,
+		u_int32_t value);
+
+int
+set_spiflash_param(build_image_context *context,
+		u_int32_t index,
+		parse_token token,
+		u_int32_t value);
+
+int
 read_from_image(char *filename,
 		u_int32_t	page_size,
 		u_int8_t	**Image,