Reduce the PFC tables by ifdeffing out pinmux settings which are
unlikely to be used by U-Boot. This helps reduce the size of the
bootloader in the 10 kiB range. This includes conditional build
of these PFC additions:
- INTC-EX
- MSIOF
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
(cherry picked from commit 35c5ac0d53)