[flash_ctrl] fix default value typo

Signed-off-by: Timothy Chen <timothytim@google.com>
diff --git a/hw/ip/flash_ctrl/data/flash_ctrl.hjson.tpl b/hw/ip/flash_ctrl/data/flash_ctrl.hjson.tpl
index a73a4eb..2a52979 100644
--- a/hw/ip/flash_ctrl/data/flash_ctrl.hjson.tpl
+++ b/hw/ip/flash_ctrl/data/flash_ctrl.hjson.tpl
@@ -409,7 +409,7 @@
       hwaccess: "hrw",
       fields: [
         { bits: "0",
-          resval: "1",
+          resval: "0",
           name: "REQ",
           desc: '''
             When 1, request erase suspend.