epd1in54: add Waveshare 1.54inch B/W e-Paper display

[mbialon]

I am adding a driver for the Waveshare 1.54-inch B/W e-Paper display.

Here's the example code running:

[deadprogram]

Hello @mbialon thank you very much for the PR.

Could you please add a smoke test for it here: https://github.com/tinygo-org/drivers/blob/release/smoketest.sh

Thanks!

[mbialon]

Hey @deadprogram, thanks for your work.

I added a smoke test for the driver.

[deadprogram]

Thank you for the addition @mbialon now squash/merging.