API to update IM value on system planar

This commit implements code to update IM value on system planar
EEPROM path.

Change-Id: Ib4e8570d1ad5c86dd4573aca9882031282342a88
Signed-off-by: Rekha Aparna <vrekhaaparna@ibm.com>
diff --git a/vpd-manager/include/constants.hpp b/vpd-manager/include/constants.hpp
index e605cd1..5195c38 100644
--- a/vpd-manager/include/constants.hpp
+++ b/vpd-manager/include/constants.hpp
@@ -142,6 +142,7 @@
 constexpr auto kwdFN = "FN";
 constexpr auto recVSYS = "VSYS";
 constexpr auto recVCEN = "VCEN";
+constexpr auto recVSBP = "VSBP";
 constexpr auto locationCodeInf = "com.ibm.ipzvpd.Location";
 constexpr auto xyzLocationCodeInf =
     "xyz.openbmc_project.Inventory.Decorator.LocationCode";