make_zephyr_sdk.sh: Bumped version to 0.8.1
make_zephyr_sdk.sh: Bumped version to 0.8.1

Change-Id: I312c8787cd2af134f02a615b6aa683deea2439e0
Signed-off-by: Juro Bystricky <632519cd04f15aec8742590453c2132c1299a8ac@intel.com>

zephyrproject-rtos/meta-zephyr-sdk,zephyrproject-rtos/meta-zephyr-sdk,zephyrproject-rtos/meta-zephyr-sdk,zephyrproject-rtos/meta-zephyr-sdk