CONFIG_ARCH_LPC32XX is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
NXP LPC32XX
modulename: gpio-lpc32xx.ko
configname: CONFIG_ARCH_LPC32XX
ARM system type
└─>NXP LPC32XX
In linux kernel since version 2.6.36 (release Date: 2010-10-20)
Support for the NXP LPC32XX family of processors