-newlib handles allocations, in the default case, by starting to
allocate memory right after the end of the program in memory, and will
continue to allocate memory as requested until it hits the stack. As a
result, it is safe to use memory allocation function to get memory for
usage. Changed some of the memory management in the application to use
memalign (memory needs to be aligned to at least 16 bits if sdmmc.c is
to work, preferably 32 bits).
-Added an option for the user to either dump the full ROM, or just the
partitions.
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