dead link to msp430g2553

[ecruzolivera]

Dead link to https://github.com/japaric/msp430g2553

[jamesmunns]

CC @cr1901, do you know where this lives now?

[cr1901]

@jamesmunns It lives here: https://github.com/pftbest/msp430g2553