[PATCH] Misc patches for grub2

[Bean]

Hi,

This is a collection of miscellaneous patches, it includes:

1, move util/envblk.c to lib/envblk.c

As envblk.c is used by module loadenv and tool grub-editenv, I think
it's better to move it to lib directory.

2. seperate hexdump function, and move it to lib/hexdump.c

hexdump module consists of two parts, one is hexdump function, the
other is user land command. I move the hexdump function to lib, as
it's also used in other place, for example grub-fstest.

3. add new command crc

Just like hexdump, this module is split into two parts, lib/crc.c for
the crc function, commands/crc.c for the user land command that
calculate the crc checksum of selected file.

4. rename appleloader command to bootcamp

The name appleloader may be a little confusing, bootcamp seems to be a
better choice.

-- 
Bean

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