fw-zephyr: Fix a bug with "eeprom writen" command when writing bytes to address => 0x100

Address data type changed to 16 bits long to accommodate the 1KB EEPROM address space

BUG=None
TEST=Verify that "eeprom writen" writes to entirety of EEPROM address space

Change-Id: I26f239ac7ca2b94692df6668ca02a0f1c5f37c87
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dolos/+/5539553
Commit-Queue: Samuel Jacob <samjaco@google.com>
Reviewed-by: Samuel Jacob <samjaco@google.com>
Tested-by: Samuel Jacob <samjaco@google.com>
Owners-Override: Hsin-Yi Wang <hsinyi@chromium.org>
1 file changed