Some of the LPC32XX_* macros were typed ("LCP32XX_*"), which is fixed by this
patch. (Besides another LCP doc typo.)

Further, the LPC32XX_GPIO_P2_MUX_SET/CLR/STATE macros were missing.
Signed-off-by: NRoland Stigge <stigge@antcom.de>

Header files for the LPC32xx arch
Signed-off-by: NKevin Wells <wellsk40@gmail.com>
Signed-off-by: NUwe Kleine-König <u.kleine-koenig@pengutronix.de>