[kmac_pkg] add app Prefix for ROM/OTP
[kmac_pkg] add app Prefix for ROM/OTP

this PR adds the Prefix values for ROM/OTP to the application interface
configuration struct.

the values are taken from the output of `encode_string("ROM_CTRL")` and
`encode_string("OTP_CTRL")`, respectively.

Signed-off-by: Udi Jonnalagadda <790cd677b6a22a419ffcfe0eb4293d8866eb70c9@google.com>

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