arm64: dts: ti: k3-am62a-main: Fix GPIO pin count in DT nodes

[ Upstream commit 7dc4af35 ]

Fix number of gpio pins in main_gpio0 & main_gpio1 DT nodes according
to AM62A7 datasheet[0].

[0] https://www.ti.com/lit/gpn/am62a3

 Section: 6.3.10 GPIO (Page No. 52-55)
Fixes: 5fc6b1b6 ("arm64: dts: ti: Introduce AM62A7 family of SoCs")
Signed-off-by: Nitin Yadav <n-yadav@ti.com>
Link: https://lore.kernel.org/r/20231027065930.1187405-1-n-yadav@ti.com


Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>