qcacmn: Add hal_rx_msdu_end_l3_hdr_padding_get API

Implement hal_rx_msdu_end_l3_hdr_padding_get API
based on the chipset as the macro to retrieve
sa_idx value is chipset dependent.

Change-Id: Ice1fc2d70e339dc1d80fa6f34f37c5a7aa074be5
CRs-Fixed: 2522133

hal/wifi3.0/hal_internal.h

@@ -385,6 +385,7 @@ struct hal_hw_txrx_ops {
 	uint8_t (*hal_rx_msdu_end_sa_is_valid_get)(uint8_t *buf);
 	uint16_t (*hal_rx_msdu_end_sa_idx_get)(uint8_t *buf);
 	uint32_t (*hal_rx_desc_is_first_msdu)(void *hw_desc_addr);
+	uint32_t (*hal_rx_msdu_end_l3_hdr_padding_get)(uint8_t *buf);
 };
 
 /**