msm: vidc: Add support of level 6.1 to VP9 decoder

SM8250 supports VP9 8k@60fps decode.
Hence, we need to support upto level 6.1.

Change-Id: I2f6509c34fb2d26ac980ebe536baa6ff72e32e80
Signed-off-by: Akshata Sahukar <asahukar@codeaurora.org>