flash_ec: Add support for dartmonkey and bloonchipper
flash_ec: Add support for dartmonkey and bloonchipper

This adds the aforementioned aliases to the flash_ec
script. These aliases already exist as boards,
thanks to crrev.com/c/1715638.

Aliases:
dartmonkey   --> nocturne_fp
bloonchipper --> hatch_fp

BRANCH=none
BUG=b:140059271,b:136678758,b:137108509
TEST=sudo servod -b dragonclaw
     ./util/flash_ec --board=bloonchipper --image=build/bloonchipper/ec.bin
TEST=sudo servod -b dragontalon
     ./util/flash_ec --board=dartmonkey --image=build/dartmonkey/ec.bin

Change-Id: Id4476da4cab9e72092b529c1bfc52acb4edd44cd
Signed-off-by: Craig Hesling <383db090fd8ef907a606ac8a9eccd2962bc489cf@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1769491
Reviewed-by: Aseda Aboagye <12c9b286316a940fd31c24070da5ab64cdd4d0e7@chromium.org>
Reviewed-by: Tom Hughes <fc5c12f30a5ed2baa0581f44ee14ad1eb7b20d83@chromium.org>

coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec