MLBEDSW-2372: Failing assert for ResizeBilinear with upscale != 2x

This commit fixes the failing assert by removing it
and instead placing unsupported ResizeBilinear
operators on the CPU.

It introduces a new graph optimisation function
which adds the necessary attributes as well as
new operator restrictions for ResizeBilinear.

Signed-off-by: Dwight Lidman <dwight.lidman@arm.com>
Change-Id: I2feffd0b5a2169ebffbe4f165e450b3f2d140380