Add DISABLE_DEV_REQUEST flag to nvram.

This just creates the bit. It doesn't actually do anything yet.

BUG=chrome-os-partner:9980
TEST=manual

  crossystem disable_dev_request=1
  crossystem
  crossystem disable_dev_request=0
  crossystem

Change-Id: I0e92a6b5ef5074ee5eae2d6d469c1c9826faecb3
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/23752
Reviewed-by: Randall Spangler <rspangler@chromium.org>
diff --git a/host/lib/crossystem.c b/host/lib/crossystem.c
index 27d45c3..a834979 100644
--- a/host/lib/crossystem.c
+++ b/host/lib/crossystem.c
@@ -371,6 +371,8 @@
     value = VbGetNvStorage(VBNV_RECOVERY_REQUEST);
   } else if (!strcasecmp(name,"dbg_reset")) {
     value = VbGetNvStorage(VBNV_DEBUG_RESET_MODE);
+  } else if (!strcasecmp(name,"disable_dev_request")) {
+    value = VbGetNvStorage(VBNV_DISABLE_DEV_REQUEST);
   } else if (!strcasecmp(name,"fwb_tries")) {
     value = VbGetNvStorage(VBNV_TRY_B_COUNT);
   } else if (!strcasecmp(name,"fwupdate_tries")) {
@@ -449,6 +451,8 @@
     return VbSetNvStorage(VBNV_RECOVERY_REQUEST, value);
   } else if (!strcasecmp(name,"dbg_reset")) {
     return VbSetNvStorage(VBNV_DEBUG_RESET_MODE, value);
+  } else if (!strcasecmp(name,"disable_dev_request")) {
+    return VbSetNvStorage(VBNV_DISABLE_DEV_REQUEST, value);
   } else if (!strcasecmp(name,"fwb_tries")) {
     return VbSetNvStorage(VBNV_TRY_B_COUNT, value);
   } else if (!strcasecmp(name,"fwupdate_tries")) {