arm64: dts: monaco: extend fastrpc compute cb

arm64: dts: monaco: extend fastrpc compute cb

For some reason we ended up adding only 4 out of 11 compute cb's for
CDSP, add the missing compute cb. This will also improve the end
user-experience by enabling running multiple AI usecases in parallel.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260326154111.2781802-1-srinivas.kandagatla@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>