Pick commit c1f2cd2 from Linux
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    crypto: caam - fix warning in APPEND_MATH_IMM_u64

    An implicit truncation is done when using a variable of 64 bits
    in MATH command:

    warning: large integer implicitly truncated to unsigned type [-Woverflow]

    Silence the compiler by feeding it with an explicit truncated value.

    Signed-off-by: Tudor Ambarus <tudor.ambarus@freescale.com>
    Signed-off-by: Horia Geant? <horia.geanta@freescale.com>
    Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>