make_zephyr_sdk.sh: Bump version to 0.9.1
make_zephyr_sdk.sh: Bump version to 0.9.1

Change-Id: I3f6d79ba0dcbedf7d9eda8489ee03ada3ca33f97
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