Add another level of procedures to LPC2xxx initialization - procedures for specific...

Add another level of procedures to LPC2xxx initialization - procedures for specific targets (setup_lpc<number>) take core clock and adapter clock as parameters. This way "constant" parameters (flash size and type, CPUTAPID, etc.) do not need to be copied if one wishes to change the "variable" parameters - like the core clock or adapter clock - in a board config file or somewhere else.

Signed-off-by: Freddie Chopin <freddie_chopin@op.pl>