pinctrl: renesas: Synchronize R-Car Gen2/Gen3 tables with Linux 5.12

Synchronize R-Car Gen2/Gen3 pinctrl tables with Linux 5.12,
commit 9f4ad9e425a1 ("Linux 5.12") . This is a rather large
commit, since the macros in sh-pfc.h also got updated, so
all the PFC tables must be updated in lockstep.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>