dynamically allocate the task structure in firmware_mountroot: when booting from an MFS root (e.g. from an install CD) firmware_mountroot can be called twice with the second call happening before the task callback occurs; this results in the task structure contents being corrupted because it was declared static.
dynamically allocate the task structure in firmware_mountroot: when
booting from an MFS root (e.g. from an install CD) firmware_mountroot
can be called twice with the second call happening before the task
callback occurs; this results in the task structure contents being
corrupted because it was declared static.

Submitted by:	marius (original version)

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