lib/hexdump: Enable format match for hexdump -C

Support formatting the output to match the Ubuntu bash command "hexdump
-C file".  Use the following to display output in this format.

hexdump_bounds(buffer, size, buffer, ' ', (1 << 8), "|", "*", 0, 1);
printk(BIOS_DEBUG, "%p\n", (uint8_t *)size);

BRANCH=none
BUG=None
TEST=Build and run on cyan

Change-Id: Ia46aeed056b12abbadf8205b044944385d9410e1
Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/271224
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Commit-Queue: Leroy P Leahy <leroy.p.leahy@intel.com>
Tested-by: Leroy P Leahy <leroy.p.leahy@intel.com>
2 files changed