ARM: dts: msm: Use proper node names for CPUSS L2 TLB Dumping

Currently, the TLB nodes that are used for CPUSS dumping
are named L1 TLB nodes, but they are acutally L2 TLB nodes.
Update incorrect L1 TLB node names to correct L2 TLB node
names on sm8150.

Change-Id: I26846723e88ed5a2bf5a9ca8cd655ec8ec1eab1c
Signed-off-by: Isaac J. Manjarres <isaacm@codeaurora.org>