Add pinmux settings for lpadc to LPCXpresso55s69 and LPCXpresso55s28 boards. Enable ADC driver sample for LPCXpresso55s69, to aid in testing pinmux settings. Fixes #45401 Signed-off-by: Daniel DeGrasse <daniel.degrasse@nxp.com>
enable pin control for lpcxpresso55s28. Signed-off-by: Daniel DeGrasse <daniel.degrasse@nxp.com>