Fix ssp_init() bug for SSP0, adding SSP0 or SSP1 CCU CLK enable.
Add i2c1 and implement timeout to avoid infinite loop in case of problem.
Fix missing definition for i2c1 and fixed SSP syntax.
Merge pull request #24 from jboone/master

A few new bits for libopencm3
Merge pull request #25 from bvernoux/master

Fix for SSP & Timeout in I2C + I2C1 added.
Merge branch 'master' of https://github.com/mossmann/libopencm3

Conflicts:
	include/libopencm3/lpc43xx/i2c.h
	lib/lpc43xx/i2c.c