crypto/dpaa_sec: repair memory allocations

crypto/dpaa_sec: repair memory allocations

This patch repairs 2 memory allocations issues:

1) possible leak of memory
    In cryptodev_dpaa_sec_probe() function in case of portal
    initialization failure, function exited without cleanup.

    The patch redirects flow to out label, which provides
    proper cleanup in case of error: freeing cryptodevice private
    data and releasing cryptodevice.

2) double free of cryptodev private data
    The function dpaa_sec_dev_init() in case of failure called
    dpaa_sec_uninit() which freed both private data and security
    context. However one layer above in cryptodev_dpaa_sec_probe()
    function, the private data were freed one more time.

    The patch limits cleanup of the dpaa_sec_dev_init() function
    to freeing only the security context.

Signed-off-by: Lukasz Wojciechowski <l.wojciechow@partner.samsung.com>
Acked-by: Akhil Goyal <akhil.goyal@nxp.com>