+ Changed variablenames so that they match.
+ Removed some code to include them in a new feature-branch for the
purpose of finishing pmc_select_master_clk()
Merge branch 'pmc' of https://github.com/theolind/mahm3lib.git into pmc

Conflicts:
	src/pmc.c
	src/pmc.h

Conflicts resolved and code specific for the can-controller moved to
can.h and can.c
Moved some code back to enhance encapsulation in the code structure.
The defined variable for the can prescaler are now in can.h and the
pmc-function is back in pmc.