BACKPORT: msm: kgsl: Add a property to query gpu model name

Usermode driver can query gpu model name to log it.
So add support for new gpu model property.

Change-Id: Ifc3a76c3e6856161e76dfbe26be2a950db71aa5e
Signed-off-by: Hareesh Gundu <hareeshg@codeaurora.org>
Signed-off-by: UtsavBalar1231 <utsavbalar1231@gmail.com>
2 files changed