soc: ti: k3-socinfo: Fix typo in bitfield documentation

Fix documentation that indicates wrong bit.

Signed-off-by: Neha Malcom Francis <n-francis@ti.com>
Link: https://lore.kernel.org/r/20231016101608.993921-2-n-francis@ti.com


Signed-off-by: Nishanth Menon <nm@ti.com>