arm64: dts: ti: k3-am62d2-evm: Fix PMIC padconfig

arm64: dts: ti: k3-am62d2-evm: Fix PMIC padconfig

Fix the PMIC padconfig for AM62D. PMIC's INT pin is connected to the
SoC's EXTINTn input.

Reference Docs
Datasheet - https://www.ti.com/lit/ug/sprujd4/sprujd4.pdf
Schematics - https://www.ti.com/lit/zip/sprcal5

Fixes: 1544bca2f188e ("arm64: dts: ti: Add support for AM62D2-EVM")
Cc: stable@vger.kernel.org
Signed-off-by: Paresh Bhagat <p-bhagat@ti.com>
Link: https://patch.msgid.link/20251028213645.437957-2-p-bhagat@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>