msm: camera: isp: Support all patterns for TOP TPG

It provide support for differeent TPG patterns
like color bar, incrementing and user defined.

CRs-Fixed: 3026095
Change-Id: I8f7c4f3bb4c1c0d0026ff098d76b5664a66baca2
Signed-off-by: Dharmender Sharma <dharshar@codeaurora.org>