cbfstool: Add the MIPS architecture

Specify a CBFS architecture value for MIPS & allow cbfstool to make
use of it.

Change-Id: I604d61004596b65c9903d444e030241f712202bd
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Reviewed-on: https://chromium-review.googlesource.com/207971
Reviewed-by: Stefan Reinauer <reinauer@chromium.org>
Reviewed-by: David Hendricks <dhendrix@chromium.org>

util/cbfstool/cbfs.h

@@ -53,6 +53,7 @@ struct cbfs_header {
 #define CBFS_ARCHITECTURE_X86      0x00000001
 #define CBFS_ARCHITECTURE_ARM      0x00000010
 #define CBFS_ARCHITECTURE_AARCH64  0x0000aa64
+#define CBFS_ARCHITECTURE_MIPS     0x00000100
 
 #define CBFS_FILE_MAGIC "LARCHIVE"
 

util/cbfstool/cbfstool.c

@@ -519,7 +519,7 @@ static void usage(char *name)
 			"Updates the FIT table with microcode entries\n"
 	     "\n"
 	     "ARCHes:\n"
-	     "  arm64, arm, x86\n"
+	     "  arm64, arm, mips, x86\n"
 	     "TYPEs:\n", name, name
 	    );
 	print_supported_filetypes();

util/cbfstool/common.c

@@ -124,6 +124,7 @@ static struct {
 } arch_names[] = {
 	{ CBFS_ARCHITECTURE_AARCH64, "arm64" },
 	{ CBFS_ARCHITECTURE_ARM, "arm" },
+	{ CBFS_ARCHITECTURE_MIPS, "mips" },
 	{ CBFS_ARCHITECTURE_X86, "x86" },
 	{ CBFS_ARCHITECTURE_UNKNOWN, "unknown" }
 };