arm/dts: k3-j7200-r5-common: Add pmic lp876441 node

Add pmic lp876411 node needed for CPU AVS support.

Signed-off-by: Gowtham Tammana <g-tammana@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Link: https://lore.kernel.org/r/20210714205300.17424-3-g-tammana@ti.com