cbfstool: add get8/put8 variants to xdr structures

In order to provide consistent usage provide the get8()
and put8() callbacks to xdr operations. That way no futzing
needs to be done to handle 8-bit reads and writes.

Change-Id: I1233d25df67134dc5c3bbd1a84206be77f0da417
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/5365
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
diff --git a/util/cbfstool/common.h b/util/cbfstool/common.h
index 5d3b900..16e75f9 100644
--- a/util/cbfstool/common.h
+++ b/util/cbfstool/common.h
@@ -100,9 +100,11 @@
 void do_lzma_uncompress(char *dst, int dst_len, char *src, int src_len);
 /* xdr.c */
 struct xdr {
+	uint8_t (*get8)(struct buffer *input);
 	uint16_t (*get16)(struct buffer *input);
 	uint32_t (*get32)(struct buffer *input);
 	uint64_t (*get64)(struct buffer *input);
+	void (*put8)(struct buffer *input, uint8_t val);
 	void (*put16)(struct buffer *input, uint16_t val);
 	void (*put32)(struct buffer *input, uint32_t val);
 	void (*put64)(struct buffer *input, uint64_t val);
diff --git a/util/cbfstool/xdr.c b/util/cbfstool/xdr.c
index ddc282e..e2cafd1 100644
--- a/util/cbfstool/xdr.c
+++ b/util/cbfstool/xdr.c
@@ -139,11 +139,11 @@
 }
 
 struct xdr xdr_be = {
-	get16be, get32be, get64be,
-	put16be, put32be, put64be
+	get8, get16be, get32be, get64be,
+	put8, put16be, put32be, put64be
 };
 
 struct xdr xdr_le = {
-	get16le, get32le, get64le,
-	put16le, put32le, put64le
+	get8, get16le, get32le, get64le,
+	put8, put16le, put32le, put64le
 };