Adds PAD_CFG_NF_BUF_IOSSTATE_IOSTERM macro to configure native function,
iosstate, iosterm and disable input/output buffer. This is used in the
pad configurations for the Kontron COMe-mAL10 module board [1].
[1] https://review.coreboot.org/c/coreboot/+/39133
Change-Id: I7aa4d4dee34bd46a064079c576ed64525fd489e6
Signed-off-by: Maxim Polyakov <max.senia.poliak@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38813
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>