arm64: dts: ti: k3-am62a7-sk: Fix pin name in comment from M19 to N22

arm64: dts: ti: k3-am62a7-sk: Fix pin name in comment from M19 to N22

The pin for GPMC0_CLK.GPIO0_31 at address 0x000F407C is N22 and not M19.
Hence, fix the pin name in the comment to avoid confusion.

Fixes: 8f023012eb4a ("arm64: dts: ti: k3-am62a: Enable UHS mode support for SD cards")
Cc: stable@vger.kernel.org
Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Reviewed-by: Andrew Davis <afd@ti.com>
Reviewed-by: Bryan Brattlof <bb@ti.com>
Link: https://patch.msgid.link/20260309045539.2070793-1-s-vadapalli@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>