pinctrl: renesas: Fix PINCTRL_PFC_R8A774A1 help description

R8A774A1 is part of Renesas RZ/G2 series and not R-Car, reflect the same
for PINCTRL_PFC_R8A774A1 help description

Alongside, sort the PINCTRL_PFC_R8A774A1 config option as per increasing
number of the SoC.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
1 file changed