net/bnxt: update RM to support HCAPI only

net/bnxt: update RM to support HCAPI only

- For the EM Module there is a need to only allocate the EM Records in
  HCAPI RM but the storage control is requested to be outside of the RM
  DB.
- Add TF_RM_ELEM_CFG_HCAPI_BA.
- Return error when the number of reserved entries for wc tcam is odd
  number in tf_tcam_bind.
- Remove em_pool from session
- Use RM provided start offset and size
- HCAPI returns entry index instead of row index for WC TCAM.
- Move resource type conversion to hrwm set/free tcam functions.

Signed-off-by: Peter Spreadborough <peter.spreadborough@broadcom.com>
Signed-off-by: Venkat Duvvuru <venkatkumar.duvvuru@broadcom.com>
Reviewed-by: Randy Schacher <stuart.schacher@broadcom.com>
Reviewed-by: Ajit Khaparde <ajit.khaparde@broadcom.com>