vboot: mark VBSD_HONOR_VIRT_DEV_SWITCH as deprecated

As part of chromium:942901, physical dev switch functionality
is being deprecated.

After coreboot CL:1541323 is merged, VBSD_HONOR_VIRT_DEV_SWITCH
will no longer be used, and can be renamed.

BUG=b:124141368, b:124192753, chromium:942901
TEST=Build locally
TEST=/work/vboot/src/repohooks/pre-upload.py
TEST=make clean && make runtests
TEST=make clean && COV=1 make coverage && make coverage_html
CQ-DEPEND=CL:1541323
BRANCH=none

Change-Id: I4f304565f581b21658771336c6f70f0edcfe0e29
Signed-off-by: Joel Kitching <kitching@google.com>
Reviewed-on: https://chromium-review.googlesource.com/1526072
Commit-Ready: Joel Kitching <kitching@chromium.org>
Tested-by: Joel Kitching <kitching@chromium.org>
Reviewed-by: Joel Kitching <kitching@chromium.org>
diff --git a/firmware/include/vboot_struct.h b/firmware/include/vboot_struct.h
index 82ebdb4..a4c5bed 100644
--- a/firmware/include/vboot_struct.h
+++ b/firmware/include/vboot_struct.h
@@ -229,7 +229,7 @@
 #define VBSD_BOOT_RO_NORMAL_SUPPORT      0x00000200
 /* VbInit() was told that the system has a virtual dev-switch;
  * Deprecated as part of chromium:942901. */
-#define VBSD_HONOR_VIRT_DEV_SWITCH       0x00000400
+#define VBSD_DEPRECATED_HONOR_VIRT_DEV_SWITCH 0x00000400
 /* VbInit() was told the system supports EC software sync */
 #define VBSD_EC_SOFTWARE_SYNC            0x00000800
 /* VbInit() was told that the EC firmware is slow to update */