[ECOS] jffs2_1 test case error

[Chris Zimman]

> The manual states it is only necessary to disable interrupts during
> flash accesses if your code also resides in flash (ROM image)
> (http://ecos.sourceware.org/docs-latest/ref/ecos-flash-library.html).

Regardless of what the manual says, I'm telling you from experience, the V1
flash drivers are not interrupt safe.  If you don't disable interrupts while
flash access is going on, you are going to have problems.

--Chris

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