arm/dt: msm9625: rename version 2.1 hardware dts files

Rename the dts files for MSM9625 v-2.1 from the previous
unaesthetic v2-1* form to v2.1

Change-Id: Iec575d47d38d4c5b059c4ac8c3ded881f603b9c5
Signed-off-by: Abhimanyu Kapur <abhimany@codeaurora.org>
4 files changed