ARM: dts: msm8996: Add TLB, L1, and L2 cache dump support

Cache and TLB dumps are useful for debug of certain issues. Add
the necessary buffer allocations for storing these dumps upon
system crashes.

Change-Id: I0a84327487eb83b0dde76be7771849000d1b9e0c
Signed-off-by: Matt Wagantall <mattw@codeaurora.org>