Rev.0.81 of the R-Car V4M Series Hardware User’s Manual removed the "STPWT_EXTFXR" signal from the pin control register tables. As this is further unused in the pin control driver, it can be removed safely. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>