IVGCVSW-4453 QLSTM Support
IVGCVSW-4453 QLSTM Support

* Number of elements is output size for projection bias on QLSTM

Signed-off-by: Sadik Armagan <126dd551ef3c8e2ac4c70a3494c31da4d36224e1@arm.com>
Change-Id: I9d32cfb187bbe0c6ef809a7a89da907fbac83380

ARM-software/armnn,ARM-software/armnn,ARM-software/armnn