pinctrl: sh-pfc: r8a7795: Fix to delete FSCLKST pin and IPSR7 bit[15:12] register...

pinctrl: sh-pfc: r8a7795: Fix to delete FSCLKST pin and IPSR7 bit[15:12] register definitions

This patch fixes the macro definitions of FSCLKST pins function and IPSR7
bit[15:12] register deleted.

This is a correction because IPSR register specification for R8A7795
ES2.0 SoC was changed in R-Car Gen3 Hardware User's Manual Rev.0.53E or
later.

Fixes: b205914c8f822ef2 ("pinctrl: sh-pfc: r8a7795: Add support for R-Car H3 ES2.0")
Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
Signed-off-by: Yoshihiro Kaneko <ykaneko0929@gmail.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>