Added RetryAttempts property

This property allows the number of reboot attempts left on the BMC to
differ from the total number of allowed host reboots. New functionality added to bmcweb will allow an external user to specify the amount
of "RetryAttempts" desired(if AutoReboot is enabled). The original
property "AttemptsLeft"still contains the number of allowed reboot
attempts remaining while this new property "RetryAttempts" contains
the maximum number of reboot attempts that are allowed.

Signed-off-by: Corey Hardesty <corey.hardesty@icloud.com>
Change-Id: I527fba6fea0bbc9ab3b731def3405a2d10a58055
diff --git a/yaml/xyz/openbmc_project/Control/Boot/RebootAttempts.interface.yaml b/yaml/xyz/openbmc_project/Control/Boot/RebootAttempts.interface.yaml
index ebadd6f..63d13ee 100644
--- a/yaml/xyz/openbmc_project/Control/Boot/RebootAttempts.interface.yaml
+++ b/yaml/xyz/openbmc_project/Control/Boot/RebootAttempts.interface.yaml
@@ -6,3 +6,8 @@
       type: uint32
       description: >
           Current number of reboot attempts left.
+    - name: RetryAttempts
+      type: uint32
+      description: >
+          Number of total reboot attempts allowed.
+      default: 3
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