Enhance T2 Offload for gNB and UE

- Reworked nrLDPC_decoder_offload.c to process all segments in a TB with a single call to LDPCdecoder() or LDPCencoder().
- Perform CRC checks on the T2.
- Modified nr_ulsch_decoding (gNB decoder) to:
  - Count processed segments.
  - Properly perform CRC checks.
- Created a constant NR_LDPC_MAX_NUM_CB to define the maximum number of codeblocks.
- Conditional library loading:
  - On gNB: Load ldpc_t2 library if offload is enabled using the --ldpc-offload-enable flag.
  - On UE: Load both ldpc_t2 and ldpc libraries since only encoder offload is supported.
- General cleanup of nrLDPC_decoder_offload.c for improved readability and maintainability.
- Modified the structure of LDPC encoder/decoder/offload parameters:
  - Introduced a structure for code block (CB) related parameters.
  - Removed parameter E from the encoder and offload parameter structures for clarity.
  - Replaced E with perCB->E_cb in the UE encoder code.

openair1/PHY/CODING/nrLDPC_decoder/nrLDPCdecoder_defs.h

@@ -99,6 +99,8 @@
 /** Maximum number of possible input LLR = NR_LDPC_NCOL_BG1*NR_LDPC_ZMAX */
 #define NR_LDPC_MAX_NUM_LLR 27000
 
+#define NR_LDPC_MAX_NUM_CB 72
+
 // ==============================================================================
 // GLOBAL CONSTANT VARIABLES