[mlir][tosa] Add acc_type to Tosa-v1.0 Conv Ops (#121466)
Tosa v1.0 adds accumulator type attributes to the various convolution
operations defined in the spec. Update the dialect and any lit tests to
include these attributes.
Signed-off-by: Tai Ly <tai.ly@arm.com>
Co-authored-by: Tai Ly <tai.ly@arm.com>
