arm64: dts: renesas: r8a7795: Increase the number of GPIO bank 1 ports to 29

arm64: dts: renesas: r8a7795: Increase the number of GPIO bank 1 ports to 29

This patch changes the number of GPIO bank 1 ports to 29 because GP-1-28
port pin of R8A7795 ES2.0 SoC support was added.

Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
Fixes: 291e0c4994d0813f ("arm64: dts: r8a7795: Add support for R-Car H3 ES2.0")
[geert: Keep 28 GPIOs on H3 ES1.x after r8a7795.dtsi sharing]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>