ARM: dts: msm: Add the silver BIN1 table for SDM845 v2

Add the speedbin table for the silver cluster on SDM845 v2 BIN1
parts. Not having it defined results in the corresponding v1
table being used.

Change-Id: I4e366f9d0fcc3a6854723b748938bc9b83a02a20
Signed-off-by: Deepak Katragadda <dkatraga@codeaurora.org>