[res] Add recipe for Decomposed GRU

[chunseoklee]

This PR adds recipe for decomposed GRU(This recipe will be used for validating --fuse_gru pass in circle2circle)

draft : #14237
issue : #12263

ONE-DCO-1.0-Signed-off-by: Artem Balyshev [email protected]
ONE-DCO-1.0-Signed-off-by: Chunseok Lee [email protected]

[chunseoklee]

tflchef generated tflite as follow :

gru_tflchef.zip

* Below diagram shows GRU pattern to fuse.
 * Note: this pattern for GRU with `return_sequences=False`
 * - the below pattern will be replaced with one GRU
 *  Main Graph:
 *           [In]    [CircleConst]    [CircleConst]    [CircleConst]    [CircleConst]
 *            |             |              |                |                 |
 *            V             |              |                |                 |
 *         [CircleWhile]<-----------------------------------------------------
 *            |
 *            V
 *      [CircleWhileOut]
 *            |
 *            V
 *          [Out]
 *
 * Condition Graph:
 *          [In]   [CircleConst] (scalar int32 value)
 *           |        |
 *           V        |
 *         [Less]------
 *           |
 *           V
 *         [Out]
 *
 *  Body Graph must contain:
 *  - 2 CircleFullyConnected nodes;
 *  - 3 CircleMul nodes;
 *  - 2 CircleLogistic nodes;
 *  - 2 CircleSplit nodes;
 *  - 6 CircleAdd nodes;
 *  - 1 CircleGather node;
 *  - 1 CircleReshape node;
 *  - 1 CircleSub node;
 *  - 1 CircleTanh node;
 *  - 6 CircleSplitOut nodes;
 *  - 5 CircleInput nodes;
 *  - 5 CircleOutput nodes;
 *
 *  Body Graph:
 *  [In_1]                     [In_2]--->[Add_2 (with Const)]--->[Out_2]            [In_3]
 *    |    \                                                      |                   |
 *    |     \                                         [In_4]---[Gather]      [Add_3 (with Const)]
 *    |     [FullyConnected_1]                          |         |                   |
 *    |               |                              [Out_4]      |                [Out_3]
 *    |           [Split_1]                                 [FullyConnected_2]
 *    |         /         |   \                                       |
 *    |        |          |    \                                   [Split_2]
 *    |    [Add_1] -------+----+---------------------------------/    |     |
 *    |         |         |    |                                      |     |
 *    |         |         |    ------------------------------------[Add_4]  |
 *    |         |         |                                           |     |
 *    |         |         |                                   [Logistic_1]  |
 *    |         |         |                                          |      |
 *    |         |         ----------------------------------------[Mul_2]   |
 *    |         |                                                    \      /
 *    |         |                                                     [Add_5]
 *    |         |                                                        |
 *    |      [Logistic_2]                                              [Tanh]
 *     \     /           \                                               |
 *      [Mul_1]          [Sub (with const)]                              |
 *       \                                 \                             |
 *        \                                 ---------------------------[Mul_3]
 *         \                                                           /
 *          \                                                         /
 *           --------------------[Add_6]------------------------------
 *                              /     \
 *                             /       \
 *                         [Reshape]   [Out_5]
 *                             |
 *                           [Out_1]

[seanshpark]

LGTM