bmc_mode_enum: Add cstdint include to the header
bmc_mode_enum: Add cstdint include to the header

Signed-off-by: Brandon Kim <dbcb4743d083bf663ac612bcd5bbeafe818a4d70@google.com>
Change-Id: I47704b6684192cb1825682956b67b5ed3b41e911

openbmc/google-ipmi-sys