msm: kgsl: Add a constant for adreno_ringbuffer_issuecmds flags

Use a #define constant instead of a bare constant for the flags
parameter of adreno_ringbuffer_issuecmds.

Change-Id: Ic0dedbadecabe396a51201859a444e68ba64c53d
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
3 files changed